Birefraction
双折射
🗣️ 情景例句
Why don't we get in the car and drive home?
我们何不开车回家？
What's your plan for the summer holiday?
暑假计划干什么？
Oh, yes, Mr. Chou. We've been looking forward to this.
啊，周先生，我们一直在等着您来。