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单词库 \ 英汉词典 \

sphincters是什么意思

sphincters

n. 括约肌( sphincter的名词复数 )；

柯林斯高阶英汉双解学习词典释义

N-COUNT

括约肌

A sphincter is a ring of muscle that surrounds an opening to the body and that can tighten to close this opening.
例句
...the anal sphincter. 肛门括约肌

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