guinea pig

n.
1. 天竺鼠、豚鼠（耳小无尾，常作宠物饲养）
2. 试验对象

同：	[n.] case, cavia cobaya, subject

a person who is subjected to experimental or other observational procedures; someone who is an object of investigation
- the subjects for this investigation were selected randomly
- the cases that we studied were drawn from two different communities
[同] guinea pig, case, subject
stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research
[同] guinea pig, cavia cobaya

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