a half信息详情
一半
a half───一半；二分之一
half a dozen───adj.半打，六个
half a month───半个月
a half million───50万
half-and-half───n.两者各半之混合物；（加入咖啡、牛奶等的）稀奶油；adv.各半，对等地；adj.两种成分各半的；不明确的
and a half───质量上乘; 非同小可的，十分精彩；了不起的；而且比这多得多
half a year───半年；半载
half a kilo───半千克；半公斤
half and half───一半一半；各占一半；各半
He has a half share in the company.───他拥有该公司的一半股份。
A half-price suit still cost $400.───一套半价西装仍然花了$400。
half hours are allowed for the exam.───考试时间为一个半小时。
For the next two and a half hours I climbed those old walls and had the time of my life.───接下来的两个半小时，我爬上了那些古老的墙，度过了我生命中最快乐的时光。
Ms. Gardiner said the delay between the arrival of the smell at each nostril could be as little as a half second or less.───加德纳女士说，气味到达不同鼻孔的延迟时间很短，可能是在0.5秒或以内。
He crossed this bridge and made at least a couple of 90 degree turns before crashing just a mile and a half from school.───他穿过一座桥，进行了至少两个90度的大转弯，最后在距离学校只有1.5英里的地方撞上公共水池。
Arkansas kicked off to Texas, forced a fumble on the first possession, and scored less than a minute and a half into the game.───阿肯色队开球攻向德克萨斯队，第一次进攻就形成了对方的失球，不到一分半钟便得分。
It wasn't until two and a half years later that we felt ready to take the next step of raising capital.───这样过了两年半后，我们觉得该进行下一步加大投资了。
First you must accept he is not to blame in any way, and that around one in five four-and-a-half year-olds bed-wet once a week or more.───首先你一定要明白他完全不对此负有责任，此外有大概五分之一的四岁半孩子每周尿床一次或以上。
Costs rose by a half.
The exam lasted an hour and a half.
She's five and a half months pregnant.
An hour and a half is allowed for the exam.
That was a meal and a half!
One and a half hours is / are allowed for the exam.
I have a half dollar but no smaller coins.
Nothing for nothing and very little for a half penny.
A half million people watched the troops march in New York's ticker tape parade.