我出生在1997年5月1日下午3点钟
I was born at 3:00 pm on May 1st,1997./ I was born at 3 o' clock on the afternoon of May 1st ,1997.为什么是on the afternoon而不是in the afternoon?你好。因为后面有具体的日期May 1st了。比较一下：in the afternoon (这里没有具体日期)on the afternoonof May 1st , （用on,因为后面有of May 1st 这个具体日期） 明白了吗？