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
Now, this is my idea of a good time.
这才是我所谓的享受。
I'm a graduate of Yale University, I have a Doctor of philosophy degree.
我是耶鲁大学的毕业生，我有哲学博士学位。
I hope you are well. Thank you for your last letter.
愿你身体健康。感谢你上次来信。