Osmium tetraoxide
[化] 四氧化锇
🧩 词语组成解析
n. 锇\\n[化] 锇Os
四氧化物
🗣️ 情景例句
Excuse me, officer.
对不起 警官。
It's an honor to be speaking to you today.
今天跟你们说话至感荣幸。
The noble stared at the blank sheet of paper for a few seconds.
贵族盯着纸看了几秒钟，