Closed-captioning
隐藏字幕；闭路字幕（原形是 closed caption）
🧩 词语组成解析
closed
[klozd]
adj. 关闭着的，封闭着的;密闭着的，保密的;<美>准备好了的，定了契约的;
v. “close”的过去式和过去分词;
clos=close关闭+ed已...的→关闭了的
v. 给（图片、照片等）加说明文字( caption的现在分词 )
🗣️ 情景例句
And good stuff, too.
而且都很精采。
If you would have a thing well done,do it yourself.
想把事情来做好，就得亲自动手搞。
and the existence of underwater features of considerable magnitude.
水下特征差异极大。