Hrem
[化] 高分辨电镜; 高分辨电子显微镜
🗣️ 情景例句
Enjoy it.
请享用。
There are four quarters in every dollar.
每美元有四个二角五分。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。