Ramanscattering
喇曼散射
🗣️ 情景例句
And there's no reason why you can't do it from your home.
而且也没有理由你不可以在家里做。
Can I be sure of a profit if I invest?
我要是投资，肯定能获利吗？
She usually wears that round her middle when she goes out.
她外出时总是把它系在腰上。