Xrd
abbr. X-ray diffraction X射线衍射
🗣️ 情景例句
Who is it?
是谁?
Is the plain along the river good for farming?
河畔的平原易于发展农业吗？
Now the other stuents open their eyes, and guess who has the eraser.
现在其余的学生张开眼，然后猜谁手里有橡皮擦。