Sers
表面增强拉曼谱仪
🗣️ 情景例句
We used to catch crabs.
我们以前常捉螃蟹。
Self-trust is the essence of heroism.
自信为英雄品质之本。
The way you speak! Which part of Australia do you come from?
从你讲话的方式！你从澳大利亚哪个地方来？