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单词
sphincter
释义
sphincter
/ˈsfiŋktə/
n. Anat.
a ring of muscle surrounding and serving to guard or close an opening or tube, esp. the anus
【解】括约肌
(
尤指肛门括约肌
)
□
sphincteral
adj.
□
sphincteric
/-ˈterik/
adj.
[Latin from Greek
sphigktēr
, from
sphiggō
‘bind tight’]
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free on board (or rail)
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更新时间:2026/8/21 21:08:14