Downward ventilation
[医] 向下通风(出口低于进口)
🧩 词语组成解析
downward
['daunwəd]
adj. 向下的，往下的;
adv. 向下地，下行地;
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
You don't know me.
你不认识我。
Math major
专攻数学
So I drove back to the town and began to retrace the route, taking frequent glances at the map.
于是我驾车返回小镇，重新按路线行驶。