Shutoff valve
[化] 切断阀; 断流阀; 截止阀; 闸阀
🧩 词语组成解析
n. 关闭器(如阀、开关), 遮断, 停止
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
But first, I think we should take a moment
不过首先 我想我们应该用一两分钟
Who is she?
她是谁？
In a few days I was learning and enjoying it like any child.
几天之后，我像一个孩子那样学习起来--而且学得很开心。