Xrd
abbr. X-ray diffraction X射线衍射
🗣️ 情景例句
What is the allotted time for receiving?
这批货物什么时候我们能收到？
No man knows when he shall die, although he knows he must die.
纵然知其难免一死，人却难料何时身亡。
All gun-ports were open and the muzzles peeped wickedly from them.
船上的炮眼都开着，炮口虎视眈眈地向外窥视着。