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
A dollar is valued at eight point two RMB yuan.
一美元价值8.2元人民币。
Is it raining now?
现在正在下雨吗？
The famous monastery of St.Bernard, witch was founded in eleventh century, lies about a mile away.
11世纪建造的著名的圣伯纳德修道院位于离山口1英里远的地方。