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单词
fraenum
释义
fraenum
/ˈfri:nəm/
n.
(also
亦作
frenum
) (
pl.
-na
/-nə/
)
Anat.
a fold of mucous membrane or skin which checks the motion of the part to which it is attached, esp. one under the tongue
【解】系带
(
尤指舌下的系带
)
[Latin, = bridle]
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更新时间:2026/8/21 20:11:31