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
I've got a terrible headache and I feel really sick today.
我头疼得厉害，今天觉得很恶心。
What I dream of doing is taking a year off and sailing around the world alone.
我梦想能够休上一年假，自己乘船周游世界。
A talk? What subject should I talk about?
吉姆，讲话？我能讲什么题目呢？