ph.
名词
1. 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.
2. 天竺鼠；豚鼠
A guinea pig is a small furry animal without a tail. Guinea pigs are often kept as pets.
1. stout-bodied nearly tailless domesticated cavy
often kept as a pet and widely used in research
Synonym: Cavia cobaya
2. a person who is subjected to experimental or other observational procedures
someone who is an object of investigation
e.g. the subjects for this investigation were selected randomly
the cases that we studied were drawn from two different communities