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
Thank you.
谢谢你。
The world is a ladder for some to go up and some down.
人间犹如一架梯，有人缘梯上升，有人顺梯下降。
In despair, I asked her whether she was enjoying her dinner.
失望之中我问她饭是否吃得满意。