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单词
imperforation
释义
imperforate
/im-pûrˈfə-rət/ or
imperforated
/-rā-tid/
adjective
Not pierced through or perforated
Having no opening
Lacking an opening,
esp
as a result of abnormal development, as in
imperforate anus
(
medicine
)
Without perforations as a means of separation, as a sheet of postage stamps
ORIGIN:
im- (in- (2))
imperˈforable
adjective
imperforāˈtion
noun
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更新时间:2025/3/23 7:39:03