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单词 sphincter
释义 sphincter
sphincter /ˈsfɪŋk.tər/ aep /-tɚ/ noun [C] SPECIALIZED
F0 a muscle that surrounds an opening in the body and can tighten to close it: » the anal sphincter» a sphincter muscleThesaurus+: ↑Substances and structures in the body
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更新时间:2024/12/23 0:50:40