Beamsplitter
分光器, 分光镜, 射束分离器, 光束分离器
🗣️ 情景例句
Oh, by the way,
噢，顺便问一下
Politeness costs nothing and gains everything.
礼貌不费分文而可赢得一切。
In this way, he has begun his own private 'telephone' service.
就这样，他开始自己的私人“电话”业务。