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
No, no. I just changed my seat.
不 不。我刚才换了一下座位。
Well, it's too bad that you have to go.
哦，真遗憾，你一定要走。
'How's Tommy?' he asked.
“汤米怎么样？”他问。