Xrd
abbr. X-ray diffraction X射线衍射
🗣️ 情景例句
Hey, that's terrific, Mom!
嗨 ，太棒了， 妈妈！
The reporter has a good story.
这个记者采访到了精彩的记事。
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望远镜于1990年4月20日由国家航空航天局发射升空，耗资10多亿美元。