| 短语 | active ingredient |
| 释义 | active ingredient the substance in a product such as a medicine that causes the product's intended result有效成分:•Acetic acid is the chief active ingredient in vinegar.醋酸是醋的主要有效成分。 |
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英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。