For example, if you are half German, one of your parents is German but the other is not. 一半…血统地 She was half Italian and half English. 她是一半意大利一半英国血统。 7 习语You use half past to refer to a time that is thirty minutes after a particular hour. …点半 "What time...
3. 汉语说“半小时”，英语一般用 half an hour 或 a half hour，只是在特别准确地讲时，才说 thirty minutes；但表示“半年”，通常用 six months，则较少用 half a year。如：She hasn’t been employed for six months now. 她现在已半年没有工作了。4. 表示把某物弄成两半，英语通常可用...
主语中含有 half of ⋯(three/ quarters)of ⋯ / all (of) the 等词语⋯时.,谓语的单复数由名词确定 ,如
A half 作为数量来使用,是1/2, 更靠近one-half之意,所以 a half hour就是精确的1/2小时,也就是30 minutes 。但是30 minutes的精度感觉比a half hour高(若特别强调时间的精度,则宜用30 minutes),因此 a half hour在日常用语中比half an hour少得...
Two halves of bitter, please. 请来两份半品脱的苦啤酒。 牛津词典 No goals were scored in the first half. 上半场没有得分。 牛津词典 We'll need to reduce the weight by half . 我们得把重量减轻一半。 牛津词典 I've divided the money in half . 我把钱平均分成了两半。 牛津词典 The second...
如half an hour（英）=a half hour（美）（半小时）。这里的词性是名词，而且half是没有动词词性的，half 用作名词，意为“一半，半”，是可数名词，表示“某物的一半”用“ half a （an） + 单数名词”结构。我们班一般的人可以表示为half of our class 希望对你有用 关于...
其实，语义上a half hour和half an hour也还是有点差异的。half原始语义是part或side，并非“精确的一半”。现代英语中，half通常理解成30分钟，但还是有不精确的定势。half冠上不定冠词a，尽管依旧不定，但是实物款感更强一些。也就是a half比单独的half更接近0.5 hours，30 minutes，1800 seconds。比如 【...
3. 名词：用作名词时，表示“一半”、“半场”。例如：- We need two halves of an orange for the juice.（我们需两个橙子的半个来榨汁。）- The football match lasts for two halves of 45 minutes each.（这场足球赛持续两个45分钟半场。）请注意，"half"的名词形式可以在表示“一半”的...
The meaning of HALF is either of two equal parts that compose something; also : a part approximately equal to one of these. How to use half in a sentence.
Dr. Marc Danzon says,“The WHO wants adults(成年人) to take 30 minutes of exercise a day. They can walk, ride bikes,play,do housework, climb stairs(楼梯) as well as do sports." He also says that children should take at least 60 minutes of exercise every day.C D ))1. What does...