Definition (消失)
When the sun goes in, it is obscured by clouds.
(太阳)被云遮盖
As the clouds started to gather, the sun went in gradually.
当云开始聚集时,太阳逐渐被遮住了。
On cloudy days, the sunlight often goes in easily.
在阴天里,阳光常常很容易就被遮住了。
When the sun goes in the clouds, the temperature drops rapidly.
当太阳被云遮住时,温度会迅速下降。