繁衍
To produce offspring; to reproduce and increase in number over generations.
Examples
3 of 5环境污染严重威胁着某些鱼类的繁衍。
Environmental pollution seriously threatens the reproduction of certain fish species.
该计划旨在保护濒危动物的繁衍环境。
The plan aims to protect the breeding environment for endangered animals.
春天是万物繁衍的季节。
Spring is the season when everything reproduces.
Word Family
Memory Tip
繁 (many/complex) + 衍 (spread/develop) = To spread and become many.
Quick Quiz
生物的本能就是为了生存和___。
Correct!
The correct answer is: 繁衍
Examples
环境污染严重威胁着某些鱼类的繁衍。
academicEnvironmental pollution seriously threatens the reproduction of certain fish species.
该计划旨在保护濒危动物的繁衍环境。
formalThe plan aims to protect the breeding environment for endangered animals.
春天是万物繁衍的季节。
everydaySpring is the season when everything reproduces.
高效的繁衍能力让这些生物占据了优势。
businessHigh reproductive capacity gives these organisms an advantage.
生命就是这样一代代繁衍下去的。
informalThis is how life reproduces generation after generation.
Word Family
Common Collocations
Common Phrases
世代繁衍
multiply through generations
大量繁衍
proliferate in large numbers
繁衍不息
multiply without end
Often Confused With
繁殖 is more biological/technical (breeding), while 繁衍 often has a broader, more continuous sense of 'multiplying over time'.
Usage Notes
Used in IELTS topics related to biology, ecology, and human history.
Common Mistakes
Learners sometimes use it for simple 'growth'; it must involve reproduction/offspring.
Memory Tip
繁 (many/complex) + 衍 (spread/develop) = To spread and become many.
Word Origin
繁 (numerous) + 衍 (to overflow/spread out).
Grammar Patterns
Quick Quiz
生物的本能就是为了生存和___。
Correct!
The correct answer is: 繁衍
Related Vocabulary
More Science words
观察
B1To watch someone or something carefully and attentively, often for scientific research or to gain information. It involves systematic looking.
基因
B1A unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
检验
B1To test or examine something to see if it is correct, effective, or in good condition.
化石
B1The preserved remains or traces of animals, plants, and other organisms from the remote past. It is a key topic in TOEFL biology and geology passages.
地质
B1The science that deals with the earth's physical structure and substance, its history, and the processes that act on it. Common TOEFL lecture topic.
参数
B1A numerical or other measurable factor forming one of a set that defines a system or sets the conditions of its operation.
效应
B1A change which is a result or consequence of an action or other cause, often used to describe a specific phenomenon or response.
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