三至四

例句

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1.
Students are required to attend classes three to four times a week. The programme can be completed within two years.
学员于工馀时间上课，每星期约有三至四节课堂，学员可于两年内修毕课程。
www.ln.edu.hk
2.
He said his center had to turn away three or four patients for every one accepted because insurers would not pay.
他说他们的研究中心已经因为保险公司拒付而转走了三至四位患者。
bucm.etiandi.com
3.
Darkroom techniques which turn the continuous tones of a photograph into three or four flat tones; to produce a picture resembling a poster.
把连续色调的相片用黑房技巧转为三至四个平调，造成像海报的图画的情况。
big5.cgan.net
4.
Early tests until(on two) welsh(wells) at the home where he lived as a child found a levels three to four times higher than normal.
早期的针对他同年生活的地方的两口井的测试发现，那里的砷含量比正常水平高水三至四倍。
www.showxiu.com
5.
Statistics show that China's energy intensity is three-to-four times that of the international average and eight times that of the UK.
四是“粗放”与“集约”。有数据显示，中国单位GDP的能耗是国际水平的三至四倍，是英国的八倍。
www.fmprc.gov.cn
6.
At least three or four of the tanks worked, the rest were out of commission.
这些坦克至少有三至四辆还能用，其他的都已报废。
article.yeeyan.org
7.
But recent findings have suggested that tPA may be effective in saving brain tissue even if three to four and a half hours have passed.
但是，最近的调查结果表明，纤溶酶原激活物可有效地节省脑组织，即使三至四年半小时已经过去了。
wenwen.soso.com
8.
High School. Most students exercise three or four times a week.
大多数学生每周进行三至四次体育锻炼。
wenku.baidu.com
9.
We'll probably have to hire three or four engineers to help us modernize the factory.
我们可能得雇用三至四个工程师，来帮助我们实现工厂现代化。
www.hxen.com
10.
Statistics show that China's energy intensity is 3 to 4 times that of the international average and 8 times that of the UK.
有数据显示，中国单位GDP的能耗是国际水平的三至四倍，是英国的八倍。
www.hxen.com