First Day的用法和樣例：
例句
- There were a good few copies sold on the first day.
第一天就賣了許多本。 - She surprised us all on her first day of school by going off like a lamb.
我們感到驚奇的是開學第一天她就乖乖地上學去了。 - The periodical is obtainable on the very first day of every month.
這本雜誌每月一號出版。 - She was unlucky to catch a cold on the first day of her holiday.
她太倒霉了，休假第一天就感冒了。 - Sunday is the first day of the week.
星期日是一周的第一天。
