Optical indicator
[机] 光学指示器
🧩 词语组成解析
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
you people are making one big story.
你们正在制造一件大新闻。
The boys are crazy about the singer.
那些男孩疯狂迷上了那个歌手。
However, they have decided to use the post office.
然而她们还是决定利用邮局。