Ramanscattering
喇曼散射
🗣️ 情景例句
which has been vacant for over a year now,
已空了一年多，
There're a lot of rumors going around.
很多流言流传着。
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。