subtitling
n. 字幕
v. 给……加小标题；给……加对白字幕（subtitle 的 ing 形式）
例句
Some subtitling jobs have been pretty challenging.
比如说，有些字幕工作很有挑战性；
Subtitling is a highly viewer-oriented way of translation.
同时字幕翻译是以目标观众为归宿的翻译方式。
Who is doing the subtitling (and, not incidentally, is this authorized by the universities)?
是谁在制作字幕呢(而且必须要问，这一行为得到那些大学授权了吗)？
