字幕 (zìmù): subtitle

Measure Word

一行字幕 háng

这部电影有中文字幕。

Zhèbù diànyǐng yǒu Zhōngwén zìmù.

This movie has Chinese subtitles.

看外语片的时候我需要字幕。

Kàn wàiyǔ piān de shíhòu wǒ xūyào zìmù.

I need subtitles when watching foreign films.

memory

字 (characters) on the 幕 (screen) = subtitles on screen. Think of words projected onto a curtain/screen.

字 zì

幕 mù