Opticator
(仪器的)光学系统部分, 光学扭簧测微仪
🏥 医学释义
（仪表的）光学部分
🗣️ 情景例句
I see. By the way, how many people are working in your factory now?
哦，我知道了。顺便问一下，现在贵厂有多少在职职工？
He never breaks his word.
他决不食言。
There are four of us.
我们有4人。