名词
中文翻译：衍生物
同义词：
['derivation', 'derivative', 'derivatives例句：1. The new drug is a derivative of the old one.（新药是旧药的衍生物。）']
例句：
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1. The new drug is a derivative of the old one.
新药是旧药的衍生物。
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2.This is a derivative of the original design.
这是原始设计的衍生物。
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3. Derivatives are used to describe how something changes from its original form.
衍生物用于描述某物如何从其原始形态变化而来。