Valve cock
[化] 阀栓
🧩 词语组成解析
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
cock
[kɔk]
n. 公鸡;成熟雄鸟;首领，领导;龙头;
vt. 使某物竖起;使某物倾斜;使朝上;扳上扳机;
vi. 翘起，竖起;大摇大摆;
🗣️ 情景例句
Are all the classes within walking distance?
所有的教室都在步行范围之内吗？
We can't write very well.
我们不能写那么多。
When she was arrested, the detective found out that the shop assistant was her daughter.
她被逮捕后。侦探发现原来那售货员是她的女儿。