biodegradable
Describes a substance or object that is capable of being decomposed by bacteria or other living organisms, thereby avoiding environmental pollution. In advanced contexts, it specifically refers to materials that can return to nature safely within a reasonably short period.
例句
3 / 5We started using biodegradable trash bags to reduce our household environmental footprint.
We started using biodegradable trash bags to reduce our household environmental footprint.
The municipality has mandated that all single-use catering supplies must be biodegradable.
The municipality has mandated that all single-use catering supplies must be biodegradable.
I think these coffee cups are biodegradable, so you can just toss them in the compost bin.
I think these coffee cups are biodegradable, so you can just toss them in the compost bin.
词族
记忆技巧
Break it into parts: 'Bio' (living things like bacteria) + 'degrade' (break down) + 'able' (can be). Living things can break it down.
快速测验
The company switched to ____ packaging to minimize its long-term impact on the local ecosystem.
正确！
正确答案是： biodegradable
例句
We started using biodegradable trash bags to reduce our household environmental footprint.
everydayWe started using biodegradable trash bags to reduce our household environmental footprint.
The municipality has mandated that all single-use catering supplies must be biodegradable.
formalThe municipality has mandated that all single-use catering supplies must be biodegradable.
I think these coffee cups are biodegradable, so you can just toss them in the compost bin.
informalI think these coffee cups are biodegradable, so you can just toss them in the compost bin.
The study investigates the metabolic pathways through which microorganisms break down biodegradable polymers in anaerobic conditions.
academicThe study investigates the metabolic pathways through which microorganisms break down biodegradable polymers in anaerobic conditions.
Investing in biodegradable packaging has significantly enhanced our corporate social responsibility profile.
businessInvesting in biodegradable packaging has significantly enhanced our corporate social responsibility profile.
词族
常见搭配
常用短语
100% biodegradable
100% biodegradable
biodegradable and compostable
biodegradable and compostable
certified biodegradable
certified biodegradable
容易混淆的词
While all compostable materials are biodegradable, not all biodegradable materials are compostable; the latter must break down into nutrient-rich soil in specific settings.
Recyclable materials are processed by humans to be reused, whereas biodegradable materials decompose naturally via biological agents.
使用说明
The term is widely used in environmental science and marketing to signal that a product will not persist in the environment. It is typically used as an attributive adjective before a noun.
常见错误
Learners often use 'degradable' interchangeably with 'biodegradable', but 'degradable' can refer to chemical or physical breakdown (like by sunlight), whereas 'biodegradable' requires living organisms.
记忆技巧
Break it into parts: 'Bio' (living things like bacteria) + 'degrade' (break down) + 'able' (can be). Living things can break it down.
词源
Derived from the Greek 'bios' (life) combined with the English 'degradable' (from Latin de- 'down' + gradus 'step'), first appearing in the mid-20th century.
语法模式
文化背景
In contemporary Western society, the 'biodegradable' label is a powerful tool for 'green marketing' driven by consumer concern over plastic pollution.
快速测验
The company switched to ____ packaging to minimize its long-term impact on the local ecosystem.
正确！
正确答案是： biodegradable
相关词汇
相关词
majority
C1The greater number or part of a whole, specifically more than half of a total amount or group. It is often used in political or statistical contexts to describe a group that holds the most power or influence.
method
C1A systematic, logical, and established procedure for accomplishing a task or conducting research. It implies a structured series of steps designed to achieve a specific result or to gain knowledge in a disciplined manner.
occurrence
C1An occurrence refers to an instance or event where something happens or exists. In a broader sense, it can also describe the frequency or prevalence of a particular phenomenon within a specific context or dataset.
percent
C1A mathematical term representing a ratio or proportion out of one hundred. It is used extensively to describe changes, statistics, and probabilities in academic and professional contexts.
percentage
C2A percentage is a rate, number, or amount in each hundred, used to express a proportion or ratio relative to a whole. In academic contexts, it specifically refers to the quantitative measurement of a subset compared to the total population or data set.
periodic
C2In an academic or library context, a periodic refers to a publication that is issued at regular intervals, such as a scholarly journal, magazine, or newsletter. It is characterized by its recurring nature and is often archived in series to track the development of research or news over time.
principle
B2A principle is a fundamental truth, law, or rule that serves as the foundation for a system of belief, behavior, or reasoning. It can also refer to a personal code of conduct that guides how an individual chooses to act in various situations.
requirement
C1A thing that is needed or wanted; a condition that must be met in order to achieve a specific goal or comply with a rule. In formal and academic settings, it often refers to a compulsory qualification or a mandatory standard of performance.
respond
B2To say or write something as a reply to a question, statement, or letter, or to react to something by taking action. In academic contexts, it often refers to how an organism, system, or person reacts to a specific stimulus or event.
responsive
C1Characterized by reacting quickly and positively to suggestions, influences, or stimuli. In technical and academic contexts, it describes a system or organism that adapts efficiently to changing conditions or feedback.
评论 (0)
登录后评论免费开始学习语言
免费开始学习