am缩写中文什么意思

　　双语例句

　　1、It starts at 10 a.m.

　　上午10点开始。

　　2、The Visitor Centre is open daily 8.30 a.m. – 4.30 p.m.

　　游客中心每日上午8:30至下午4:30开放。

　　3、We didn't get to bed until 3 a.m.

　　我们直到凌晨3点才上床睡觉。

　　4、The fire reached its height around 2 a.m.

　　大火在半夜两点钟左右烧得最猛。

　　5、Polling has been heavy since 8 a.m.

　　从早上8点以来投票很踊跃。