half past four 四点半 ; 四时三十分 ; 四点三十
at about half past four 大约在四点半
at half past four 在过去四年半
four-colour half tone printing 四色半色调印花
Four and half LIMonly protein 结构域而得名
Four and half LIMonly protein2 结构域而得名
Four half hour 四个半小时
half of four is two 四的一半是二
four and a half 四又二分之一
four second-half minutes 这中有很多资料谈及
Pope Formosus died after a pontificate of four and a half years.
教皇福尔摩苏斯上任四年半后去世。
四的一半是二。
I should think about half past four years.
我应该想到过去的四年半。
The bill,known as the Sherman Silver Purchase Act, would have the government buy four-and-one-half-million ounces of silver each month.
VOA: special.2010.06.03
It was about four feet by two-and-a-half feet.
长约四英尺宽约两点五英尺。
Yet up at about five-thousand-four hundred meters the air pressure is only about half of what it is on the ground.
VOA: special.2011.04.06
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