half an hour的意思|示意
半小时
half an hour的用法详解
Half an hour是英语中常用的一个短语，它是指一小时中的30分钟，即半小时。
Half an hour可用作名词，形容词，副词和介词短语，后接定语，表示时间的长短或者表示某个时间点的概念，中文可以理解为“半小时”。用作名词时，half an hour本身已是一个名词性短语，可以放在句子中作主语、宾语等。
例句：
1. Half an hour is not enough time to finish the task.
2. We have a meeting every half an hour.
3. I need to prepare for the exam in half an hour.
4. The show will last for half an hour.
5. She arrived late by half an hour.
Half an hour也可以用作形容词和副词，形容词修饰名词，副词用来修饰动词、形容词等，表示“半小时的”、“半小时地”的意思。
例句：
1. I have a half an hour lunch break.
2. I need to finish the project in a half an hour.
3. The students will have a half an hour break.
4. She was running a half an hour late.
half an hour相关短语
1、 half an hour ago 半小时前,半个小时前,半小时之前,半小时以前
2、 half an hour of homework 半个小时的家庭作业,半小时的回家作业,半小时的作业
3、 about half an hour 大约半小时,约半小时,大约半个小时
4、 she spends half an hour 她用一个半小时,她花一个半小时,她花了半个小时
5、 half an hour late 迟到半小时,晚半小时
6、 After half an hour 半小时后
7、 At least half an hour 至少半小时
8、 A half an hour 需要半个小时,一个半小时
9、 lasted for half an hour 历时一个半小时,持续了半个小时
half an hour相关例句
I can knock off a poem in half an hour.
半小时之内我就能作一首诗.
《简明英汉词典》
Other theatre-goers complained Joan was on stage for just half an hour.
其他剧院观众抱怨说，琼在台上只呆了半个小时。
柯林斯例句
He didn't turn up until half an hour later.
半小时后他才出现.
《简明英汉词典》
I had to wait half an hour for a bus.
我得等半小时的公共汽车。
After half an hour, the fish stopped biting and we moved on.
半个小时以后，鱼儿不再咬钩了，我们只好换地方。
柯林斯例句
The interview lasted half an hour.
会见持续了半小时。
We just sat and talked for half an hour or so.
我们只是坐着谈了半小时左右。
In half an hour's whirl of activity she does it all.
经过半个小时的忙碌，她全都做完了。
柯林斯例句