Binoxide
二氧化物
🗣️ 情景例句
Keep a small English dictionary with you at all time.
随身携带一本小英文字典。
The President is going to address the nation on television this evening.
总统今晚将向全国发表电视讲话。
Jim ran very fast, but Yu Yan from Class 1 ran faster. He began to catch up with Jim.
吉姆跑得非常快，但是1班的余延跑得更快。他开始赶上吉姆。