名词
中文翻译：睾丸
同义词：
['penis', 'scrotum']
例句：
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1.The testis is the male reproductive organ.
睾丸是男性的生殖器官。
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2.He was born with a single testis, which means he has one penis and one scrotum.
他出生时只有一个睾丸，这意味着他有一根阴茎和一根阴囊。
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3. The testis can be removed during surgery to treat certain types of cancer.
在手术中可以切除睾丸来治疗某些类型的癌症。