成分
An ingredient or a constituent part of a substance or mixture, especially in chemistry or nutrition.
例句
3 / 5化粧品の成分をチェックしてから買うようにしている。
I make sure to check the ingredients of cosmetics before buying them.
食品表示ラベルには、全ての成分が記載されています。
All ingredients are listed on the food nutrition label.
これ、どんな成分が入ってるの？
What kind of ingredients/components are in this?
词族
记忆技巧
Sei (become/achieve) + Bun (part). The parts that 'become' the whole thing.
快速测验
この薬の主な____は植物から抽出されたものです。
正确！
正确答案是： 成分
例句
化粧品の成分をチェックしてから買うようにしている。
everydayI make sure to check the ingredients of cosmetics before buying them.
食品表示ラベルには、全ての成分が記載されています。
formalAll ingredients are listed on the food nutrition label.
これ、どんな成分が入ってるの？
informalWhat kind of ingredients/components are in this?
科学者は大気の成分を分析し、汚染物質を特定した。
academicScientists analyzed the components of the atmosphere and identified pollutants.
新製品の有効成分について説明します。
businessI will explain the active ingredients of the new product.
词族
常见搭配
常用短语
成分を分析する
to analyze the components
天然成分
natural ingredients
容易混淆的词
Zairyou is the raw 'material' (like wood or flour); Seibun is the 'chemical/internal component' of that material.
使用说明
Very common in IELTS Reading passages about health, science, or the environment.
常见错误
Using 'Seibun' when you mean 'Zairyou' for cooking recipes. Recipes use 'Zairyou'.
记忆技巧
Sei (become/achieve) + Bun (part). The parts that 'become' the whole thing.
词源
Kanji meaning 'to become' and 'part/minute'.
语法模式
快速测验
この薬の主な____は植物から抽出されたものです。
正确！
正确答案是： 成分
相关词汇
更多science词汇
発明
A1The act of creating or designing something that has never been made before, or the device/process resulting from this creation. It is commonly used as a noun or combined with 'suru' to function as a verb meaning 'to invent'.
数値
B1A value expressed in numbers. Used frequently in IELTS Task 1 to describe data points on graphs and charts.
抽出
B1The act of taking out or extracting a specific part or element from a larger whole, often used for data or substances.
均一
B1Being uniform or the same throughout in quality, size, or nature. It is used to describe consistency in scientific samples or standardized pricing.
媒介
B1Acting as an intermediary or a carrier. It is used for insects carrying diseases, chemicals acting as agents, or media carrying information.
分布
B1The way in which something is shared out or spread over an area or among a group.
適合
B1The act of fitting or conforming to a standard, environment, or requirement; adaptation or suitability.
究明
B2The act of investigating or clarifying a truth, cause, or principle thoroughly. It is a high-level academic term for research and investigation.
棄却
B2To reject or dismiss a proposal, appeal, or hypothesis. In statistics, it specifically refers to rejecting the null hypothesis.
実証的
B2Based on, concerned with, or verifiable by observation or experience rather than theory or pure logic; empirical.
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