Sers
表面增强拉曼谱仪
🗣️ 情景例句
Yes, it is.
是的，没错。
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
From these he can go on to appreciate more complex forms or combinations of several forms.
从这些形体出发，观赏者可进一步观察更为复杂的形体或若干形体的组合。