guinea-pig
柯林斯词典
1. N-COUNT If someone is used as a guinea pig in an experiment, something is tested on them that has not been tested on people before. 作为实验对象的人
Dr. Roger Altounyan used himself as a human guinea pig. 罗杰• 奥托扬医生拿自己作为实验对象。
2. N-COUNT A guinea pig is a small, furry animal without a tail. Guinea pigs are often kept as pets. 豚鼠
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