Ugc
abbr. ultrasonic grating constant 超声光栅常数; unity grain crossover 统一粮食切割
🗣️ 情景例句
This is Xiao Fu speaking.
我就是。
It is my job to introduce the foreign guests who will be spending the week with us here.
我的责任是介绍这些将与我们共度这一周的外国客人们。
It was my first flight. I was nervous when the plane took off.
我第一次坐飞机，起飞时我有点紧张。