Perosmic anhydride
[化] 四氧化锇
🧩 词语组成解析
[化] 酸酐; 酐; 某酐\\n[医] 酐, 脱水物
🗣️ 情景例句
Maybe I should.
也许我该这样。
I'm gong to show him how to paint.
我正要指点他如何画画。
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。