convection是什么意思

音标:英 [kən'vekʃn]美 [kənˈvɛkʃən]

传送, 对流, 传导[化] 对流

the transfer of heat through a fluid (liquid or gas) caused by molecular motion
(meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere

convection的用法和例句：

1. The dryair convection behind the wall removed most of the moisture from his body.

墙后的干燥空气对流 带走了尸体大部分的水分

2. And when you have many of these convective clouds, an hexagonal pattern is produced in the sky.

这样的对流云很多的时候 天空中就形成了六角形图案

3. You have this cycle of warm air rising and cold air sinking, and that's a convective cell.

暖空气上升 冷空气下沉 形成一个循环 这就是一个"对流元"