Idfg
abbr. intracavity CW difference frequency generation 内腔连续波差频振荡
🗣️ 情景例句
Please have two window seats placed aside for us.
请为我们保留两个靠窗口的位子。
Would Dr.Block be able to see me at 9:30 tomorrow?
明天9点半布洛克医生能给我看病吗？
There was no doubt that we were unwelcome visitors.
毫无疑问，我们的来访是不受欢迎的。