Leucoplakia
白斑病
🗣️ 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。
A kite will never be a good hawk.
鸢永不会变成隼。
No, it's not him.
不对，也不是他。