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
She's worked two jobs for years.
几年来他一直同时做两个工作。
Will you please spell his name for me?
请你把他的名字拼给我好吗？
Take your time.
慢慢来。