单词：spermatic duct
spermatic duct的用法和样例：
例句
- A long,narrow convoluted tube,part of the spermatic duct system,that lies on the posterior aspect of each testicle,connecting it to the vas deferens.附睾，一个长而窄并迂回的管子，为输精组织一部分，位于睾丸后部，通向输精管。
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