Test valve
[化] 检查阀
🧩 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;
🗣️ 情景例句
What are your major and minor subjects?
你主修和副修什么科目？
I'm happy when I skate.
溜冰真是快乐呀。
Only one or two people have objected that the students will drive too fast!
只有一两个人提出反对意见，说学生们会把车开得太快！