Sers
表面增强拉曼谱仪
🗣️ 情景例句
What's wrong?
怎么啦？
If you can guarantee on-time delivery with a penalty for late delivery, we can accept your sales price.
如果你能保证用惩罚延误发货方式准时发货，你的销售价我们可以接受。
because this is easier to shape than other kinds.
因为燧石较之其他石头更容易成形。