Bioxide
二氧化物
🗣️ 情景例句
I talked to Mr. Marchetta.
我跟Marchetta先生谈了。
He emerged as leader at the age of thirty.
他在30岁时出人头地成为领袖。
Sure. Don't be late -oh, and put on your old clothes.
当然。不要迟到--噢，还有，穿上你的旧衣服。