Flyash
粉煤灰
🗣️ 情景例句
He has been friendlier lately.
他近来更友好了。
When the fire started, I was writing letters.
当火起来的时候，我在写信。
There are countless people who, ever since their early years, have learned to associate snails with food.
有不计其数的人们从小就知道蜗牛可做菜。