关紧: fasten; fast 短语和例子把门关紧 make the door fast; 睡觉时不要将所有的窗户都关紧。 do not fasten all the windows up while you sleep
水龙头: stopcock; hydrovalve; swivel (钻探); fuller faucet; fuller bibcock; fuller cock; water tap; faucet 短语和例子开水龙头 turn on the tap; 用后将水龙头关紧。 don't leave the tap running after use
水龙头外壳: swivel body caparazon externo del eslabon giratorio
