Idfg
abbr. intracavity CW difference frequency generation 内腔连续波差频振荡
🗣️ 情景例句
And thanks again for the lunch and for the game.
再次谢谢你们提供了午餐和游戏。
Who told you?
谁告诉你的？
'Certainly,' the girl said.
“当然可以，”那姑娘说。