例句：Did your cousin catch the 6:30 a.m. bus?

翻譯：你堂姐有趕上上午六點半的公車嗎？

例句：It is 12:00 a.m. now. Time to go to bed.

翻譯：現在是凌晨十二點了。該是上床睡覺的時間了。