n. deepening
vt. darken
天突然变暗了。
The sky darkened abruptly.
《柯林斯英汉双解大词典》
youdao
碰撞的力量将大量碎片喷射到大气中，在更细的粒子落下之前，天空会变暗几年。
The force of collision spewed large amounts of debris into the atmosphere, darkening the skies for several years before the finer particles settled.
应用推荐
模块上移
模块下移
不移动