Grammar Note
作动词时宾语通常为动物，且常以过去分词形式作定语，如 sexed chicks。
鉴别（动物）性别；鉴定性别
先理解核心含义，再看它在真实句子里的用法。
鉴别（动物）性别；鉴定性别
determine the sex of (an animal)
The veterinarian will sex the chicks to separate the males from the females.
兽医将鉴别小鸡的性别，以区分公母。
确定(动物)的性别
To determine the sex of (an animal).
sex
Base
原形
sexes
3rd person
第三人称单数
sexing
-ing
现在分词
sexed
Past
过去式
sexed
Past participle
过去分词
Farmers sex chickens to separate males and females.
农民们辨别鸡的性别，以便将公母分开。
The vet sexed the kitten yesterday.
兽医昨天辨别了这只小猫的性别。
We have sexed all the puppies before the sale.
在出售之前，我们已经辨别了所有小狗的性别。
规则动词，过去式和过去分词均为 sexed。
We sexed the puppies when they were two weeks old.
我们在小狗两周大的时候鉴别了它们的性别。
It takes practice to sex adult birds quickly.
快速鉴别成年鸟类的性别需要练习。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use sex naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
作动词时宾语通常为动物，且常以过去分词形式作定语，如 sexed chicks。
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 4，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.