Tricarbonate
三碳酸盐
🗣️ 情景例句
If we're all prepared to recycle paper, thousands of trees could be saved every day.
如果纸能被循环利用，那么每天千千万万的树木就可得以挽救。
When did you graduste?
你什么时候毕业的？
No! Leave her where she is.
不，别动她！