| 单词 | air cock |
| 释义 | air cock in American English a small tap or valve for controlling the entrance or escape of air from a pipe, chamber, etc. air cock in American Englishnoun Machinery a special type of valve for controlling the flow of air Word origin [1790–1800]This word is first recorded in the period 1790–1800. Other words that entered Englishat around the same time include: echelon, ideology, modular, standby, stereotype |
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