Sers
表面增强拉曼谱仪
🗣️ 情景例句
It's me, Grandpa.
是我， 爷爷。
Idle people (folks) have the most labour (take the most pains).
懒人做工作，越懒越费力。
It's to the north of England; it's part of Britain.
它位于苏格兰的北部，是不列颠的一部分。