Emergency shut(off) valve
[化] 紧急切断阀
🧩 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
Where's the campus cafeteria?
校园的食堂在哪儿？
You can't always get what you want.
天不从人愿。
Then see which plants grow higher, measure them with a ruler and write down your results.
过后看看哪种西红柿长得比较高，用尺子量量并记录下你的实验结果。