Vacuum ventilation
[医] 真空通风(抽出式机械通风)
🧩 词语组成解析
ventilation
[,vɛntl'eʃən]
n. 空气流通;通风设备;通风方法;公开讨论;
vent- =wind,表示”风”##lat = bring,out,表示”拿, 带”#词根助记：venti风+lat=通风
🗣️ 情景例句
Don't stand on ceremony, make yourself at home.
别客气，随便吃。
I often go to work in the morning.
我常常在早上去工作。
They had a definite meaning, for they were as near as early man could get to writing.
它们有着一定的含义，因为它们已接近古代人的文字形式。