Selector valve
[化] 换向阀
🧩 词语组成解析
selector
[si'lektə]
n. 选择者，选择器;
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;
🗣️ 情景例句
It's us, Susan.
是我们， Susan。
Even the walls have ears.
隔墙有耳。
Mr.Taylor, the owner of a jewellery shop was admiring a new display.
珠宝店主泰勒先生正在欣赏新布置的橱窗。