Delivery valve
[化] 导出阀; 排气阀
🧩 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's wrong, Susan?
有什么问题吗， Susan？
I will have done it by the time you come back.
在你回来之前，我会做完它。[将来完成时，表示将完成…，会做完…]
I have 4 books and 2 magazines to check out.
我有4本书和2本杂志要借。