o是什么意思？

o

例句

• The boy was kept in until 6 o'clock. 这小孩被留校, 一直到六点。
• It took us two hours to complete the calculation, so we logged off at 4 o'clock. 我们花了两个小时才完成计算, 因而是在四点结束工作的。
• Don't bother me, O.K.? Just let me live out my life in peace and in private. 别打扰我了, 好不好?就让我一个人安安宁宁地度过后半辈子吧。
• Television closed down for the night after eleven o'clock. 晚上11点过后, 电视台停止播放节目。
• I have been on the road since five o'clock this morning and I'm really tired. 我今早五点就坐汽车上路了, 现在实在累。
• The time is coming up to 10 o'clock. 时间将近10点。
• I rolled out about three o'clock in the morning to ride guard till daylight. 我凌晨三点左右起床, 一直站岗到天亮。
• I can't make out whether this letter is an e or an o. 我认不出这个字母究竟是e还是o。
• All papers should be given in before 12 o'clock. 12点以前必须交论文。
• The children had to get themselves off to school as both their parents went out to work at eight o'clock. 由于父母都在八点钟去上班了, 孩子们只好自己去上学。