Elevating valve
[化] 升杆阀
🧩 词语组成解析
v. 举起( elevate的现在分词 ); 提高; 提升; 鼓舞
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
Is smoking allowed on the train?
火车上允许吸烟吗？
Water dropping day by day wears the hardest rock away.
水滴天天滴不停，石头最坚也磨损。
Guess what?
猜猜看？