caption

n. /ˈkæpʃn/ B2

说明文字；字幕

Words printed under a picture or cartoon that explain it.

仙境例句

Under a picture of a dancing lobster, the caption said: Please throw me gently.

一幅跳舞龙虾的图画下面，配的说明写着：请轻轻地扔我。