Ramanscattering
喇曼散射
🗣️ 情景例句
Keep along this road
沿着这条路
United we stand, divided we fall.
合即立，分即垮。
My teacher never spoke English like that! The porter and I looked at each other and smiled.
我的老师从来不那样讲英语！我和搬运工相视一笑。