caption

US /ˈkæp.ʃən/
UK /ˈkæp.ʃən/
"caption" picture
1.

說明文字, 字幕

a title or brief explanation appended to an article, illustration, cartoon, or poster

:
The photograph had a humorous caption.
這張照片有一個幽默的說明文字
Please add a caption to each image in the presentation.
請為演示文稿中的每張圖片添加說明文字
2.

字幕, 說明文字

text displayed on a television or cinema screen to provide additional information or to translate dialogue

:
Turn on the captions if you have trouble understanding the dialogue.
如果你聽不懂對話,請打開字幕
The movie was shown with English captions for the hearing impaired.
這部電影為聽障人士提供了英文字幕。
1.

加說明文字, 加字幕

provide (an illustration, photograph, etc.) with a title or explanation

:
She decided to caption her Instagram post with a witty remark.
她決定用一句俏皮話來她的Instagram帖子配上文字
The editor asked me to caption all the diagrams in the report.
編輯要求我為報告中的所有圖表添加說明文字