Ugc
abbr. ultrasonic grating constant 超声光栅常数; unity grain crossover 统一粮食切割
🗣️ 情景例句
Oh ... Harry!
噢……Harry！
Glad to have been of help.
我很高兴能给您帮个大忙。
To be really happy and really safe,
一个人要想真正感到幸福和平安