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, thank you. Please tell him to phone me when he comes back.
不了，谢谢。他回来时，请告诉他给我打个电话。
You should take the advice of your teacher.
你应该听老师的话？
It was very different from modern car races but no less exciting.
它虽然与现代汽车比赛大不相同，但激动人心的程度并不亚于现代化汽车大赛。