英语时间日期表达方式
By eleven o'clock Brian was back in his office. 布赖恩11点回到了办公室。
At two o'clock in the morning caslon was still awake.
到凌晨2点卡斯隆还没睡着。
You should be there no later than nine thirty. 你必须在9点半前到那儿。 Office hours are from 9 a.m to 6 p.m 办公时间为早9点到下午6点。