Gravity ventilation
[机] 重力通风
🧩 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
I had a busy day. I'm done.
我今天很忙，现在精疲力尽。
After the play was over,we all wanted to get something to eat.
在戏完了以后，我们都想要吃一些东西。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？