名词供水栓，龙头开关员

1. 旋塞：turn table 转盘 | turncock 旋塞 | turning 回转

2. 供水栓：turncoat 背叛者 | turncock 供水栓 | turndown 翻领的

3. 龙头开关员：龙头tapbibcock | 龙头开关员turncock | 龙头老大bigbossleaderofagroupdominantposition

noun

1. faucet consisting of a rotating device for regulating flow of a liquid

Synonym: stopcockcock

2. one employed to control water supply by turning water mains on and off