guinea-pig

guinea-pig汉语翻译：
n. 豚鼠, 天竺鼠
【医】 豚鼠, 天竺鼠, 荷兰猪英语解释：
名词 guinea-pig:

a person who is subjected to experimental or other observational procedures; someone who is an object of investigation同义词：subject, case, guinea pig

stout-bodied nearly tailless domesticated cavy; often kept as a pet and widely used in research同义词：guinea pig, Cavia cobaya