Ramanscattering
喇曼散射
🗣️ 情景例句
She can't sit around and do nothing.
她总不能闲坐着无所事事呀。
You can count on us.
你可以信赖我们。
It is our permanent principle that contracts are honored and commercial integrity is maintained.
重合同、守信用是我们的一贯原则。