verb [vi. 不及物动词] 减轻；发亮
The sky began to lighten. 天空开始变得明亮了。
verb [vt. 及物动词] vt. 使照亮；使轻松
If someone lightens a situation, they make it less serious or less boring. 缓和 Anthony felt the need to lighten the atmosphere. 安东尼觉得需要缓和一下气氛。
The sky began to lighten. 天空开始变得明亮了。
If someone lightens a situation, they make it less serious or less boring. 缓和 Anthony felt the need to lighten the atmosphere. 安东尼觉得需要缓和一下气氛。
