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 think your idea of working at home is perfect.
我觉得你在家里工作的主意太好了。
Palm Springs. I've got a cousin there.
棕榈泉，我有个表兄在那儿。
No, I haven't. I read about it in the newspaper. It's also about the man who wanted to end slavery -- Abraham Lincoln.
不，还没有。我在报纸上读过有关的情况。它还讲述了那个想结束奴隶制度的人，即亚伯拉罕·林肯的情况。