turn off/open/close the stopcock
常与表示开关的动作动词搭配。
Turn off the stopcock before replacing the pipe.
更换管道前关掉龙头。
调节液体或气体通过管道流动的阀门、龙头或水龙头;开关;[化] 调节旋塞; 旋阀
a valve with a rotating plug used to control the flow of a liquid, such as a tap
调节液体或气体通过管道流动的阀门、龙头或水龙头
A valve, tap or faucet which regulates the flow of liquid or gas through a pipe.
Please turn the stopcock before repairing the pipe so no water spills out.
修理管道前,请先转动旋塞,这样就不会有水溢出来。
用法提示:stopcock 是名词,在本句中作 turn 的宾语,指控制水流的旋塞。
The gas supply in the lab is controlled by a small stopcock on the wall.
实验室的气体供应由墙上的一只小旋塞控制。
用法提示:stopcock 是名词,在被动结构中作介词 by 的宾语,指调节气体流量的旋阀。
The plumber checked every stopcock in the building before turning on the main water supply.
水管工在打开主水阀之前,检查了大楼里的每一只旋塞。
用法提示:stopcock 是名词,在 every stopcock 中作 check 的宾语,指调节水流的阀门。
常与表示开关的动作动词搭配。
Turn off the stopcock before replacing the pipe.
更换管道前关掉龙头。
The stopcock regulates the flow of liquid.
旋阀调节液体流量。
常与地点介词连用。
There is a stopcock on the main water line.
主水管道上有一个龙头。
grammar · medium
易错句子You should stopcock the water before repairing.
正确表达You should turn off the stopcock before repairing.
stopcock是名词,不能用作动词。应使用动词短语'turn off' + 名词'stopcock'。
grammar · medium
易错句子There are two stopcock in the kitchen.
正确表达There are two stopcocks in the kitchen.
可数名词stopcock的复数形式应加-s。
stopcock 多指管道上的旋塞开关,突出调节或截断功能;faucet 指水龙头出水口,强调出水功能。
tap 尤指日常取水用的龙头,而 stopcock 通常指作为管道截止阀的旋塞,不太用于日常取水。
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