say更换哪个字母变成另一个单词

把字母s换成字母d，组成新单词day，意思是：n.白天一天一日白昼工作日一天的活动时间时期。

例句： day should be mainly dry with sunny intervals.

白天大部分时间应无雨，间有阳光。

2、The place was lit up as bright as day.

灯火辉煌，犹如白昼。

3、Thousands of working days were lost through strikes last year.

去年因罢工损失了数以千计的工作日。