我有一個粗心的媽媽，又一次爸爸讓媽媽燒一壺水，媽媽一邊看書一邊把冷水發(fā)在爐子上，他又繼續(xù)回屋看書去了，一會，他又捧著書出來把水倒進暖壺里。爸爸沏茶時發(fā)現(xiàn)水是冷的，原來媽媽就沒燒水就又把冷水倒進暖壺里。

I have a careless mother. Once my father asked my mother to boil a pot of water. While reading, my mother put cold water on the stove. He went back to the house to read. Later, he came out with the book and poured the water into the thermos. When Dad made tea, he found that the water was cold, so mom poured cold water into the thermos without boiling it.