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
What time does the Michigan football game come on?
Michigan队的足球赛何时开始？
It's pleasure to meet you.
幸会，幸会。
I have decided to take a lot of cabbage in vinegar.
我已决定带大量的醋泡白菜。