1 N-COUNT 实验对象；试验品 If someone is used as a guinea pig in an experiment, something is tested on them that has not been tested on people before. 实验对象；试验品
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...a human guinea pig.
人体实验对象
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Nearly 500,000 pupils are to be guinea pigs in a trial run of the new 14-plus exams.
这种14岁以上学生参加的最新考试将在近50万名学生中试行。
2 N-COUNT 天竺鼠；豚鼠 A guinea pig is a small furry animal without a tail. Guinea pigs are often kept as pets. 天竺鼠；豚鼠
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