Quadroxide
[化] 四氧化物
🗣️ 情景例句
I'm here to see Mr. Carlson.
我来见Carlson先生。
I can't help it, sir.
我也无能为力，先生。
She left home when she was eighteen and has lived in Los Angeles for the past fifteen years.
18岁时，她离开了家。过去的15年里她一直住在洛杉矶。