Idfg
abbr. intracavity CW difference frequency generation 内腔连续波差频振荡
🗣️ 情景例句
If she is stupid, she's at any rate pleasant to look at.
如果说她头脑不灵，她这人至少容貌不错。
Nice to meet you.
很高兴认识你。
Yes, please, Christine.
好的，请来一杯，克里斯廷。