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
If satisfactory we may consider further orders.
如果满意的话，我们可以考虑进一步的订单。
It's a worthwhile cause.
这是值得为之奋斗的事业。
The tragic sinking of this great liner will always be remembered, for she went down on her first voyage with heavy loss of life.
然而，这艘巨轮首航就下沉，造成大批人员死亡。人们将永远记着这艘巨轮的沉没惨剧。