Microfractography
显微断谱学
🗣️ 情景例句
I have one ten-day tour that is still available. It will depart from New York on Dec. 24.
我们一个10天的旅行团还有空位，12月24号离开纽约。
Why am I always expected to pay the bills?
为什么老是由我来付账呢？
Help yourself.
别客气。