副词是softly，中文意思是adv. 轻声地温柔地柔和地

He was singing softly to the baby.他对宝宝轻声哼着歌。

The room was softly lit by a lamp.屋里点着一盏灯，光线很柔和。

She was humming softly to herself.

她在轻声哼着曲子。

She crossed the softly lit room.