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单词
back vent
释义
back vent
noun
:
a ventilating pipe attached to a waste pipe on the sewer side of its trap to prevent siphonage
back venting
noun
Word History
First Known Use
1915, in the meaning defined above
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outspread
outspreading
outspreads
outspring
outspringing
outsprings
outsprint
outsprinted
outsprinting
outsprints
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outstand
outstanding
outstanding term
outstandingly
outstandings
outstands
outstare
outstared
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outstarted
outstarting
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更新时间:2025/3/18 0:26:37