Pneumatic trough
[医] 集气槽
🧩 词语组成解析
trough
['trɔ:f]
n. 水槽，食槽;低谷期;[航]深海漕;[气]低气压槽;
🗣️ 情景例句
The book is worth reading.
这本书值得一读。
The increase in sales is being maintained.
销售额持续增长。
Just a minute. She's taken the bag that usually sits on top of the cupboard.
等等。她带走了通常放在壁橱顶上的包。