day[dei]和say[sei]音标发音一样，都含有[ei]音。Be quiet， I have something to say.
安静 我有事要说。
I will be back in a day or two.
一两天我就回来。
The day is ours.
我们得胜了。
Christmas Day is the 25th of December.
圣诞节是十二月二十五日。
She was a beauty in her day.
她年轻时是个美人。
It hasn't stopped raining for days.
雨好几天都没停。
