Definition (消失)
When the sun goes in, it is obscured by clouds.
(太陽)被雲遮蓋
As the clouds started to gather, the sun went in gradually.
當雲開始聚集時,太陽逐漸被遮住了。
On cloudy days, the sunlight often goes in easily.
在多雲的日子裡,陽光常常很容易就被遮住了。
When the sun goes in the clouds, the temperature drops rapidly.
當太陽被雲遮住時,溫度會迅速下降。