1.
The number2001 contains four digits.
2001是个四位数。
2.
A 4 bit word; half a byte.
一种四位的字，即半字节。
3.
Involving four participants.
涉及到四位参与者的
4.
A group of four performing musicians.
四重奏（唱）组由四位音乐家表演的组合
5.
With four athletes the positions will be assigned correspondingly.
四位选手时则依此原则安排发射位置。
6.
For us, the day-to-day work comes second, third, fourth, fifth or even sixth.
其他的日常工作，是第二位、第三位、第四位、第五位、第六位的事情。
7.
A four-wheeled horse-drawn pleasure carriage having two or four seats.
四轮马车有两或四个座位的四轮游览马车
8.
coming next after the second and just before the fourth in position.
位于第二以后第四之前。
9.
coming next after the fourth and just before the sixth in position.
位于第四之前第六之前。
10.
There were four of us squashed up against each other on the seat.
我们四个人挤在座位上.
11.
vertical 4 position electric turret
轴式四工位电动转塔
12.
Firm Position of a World Center of Finance,Trade, Information and Tourism Hong Kong is
四大“中心”地位牢固
13.
isovector quadrupole oscillation
同位旋矢量四极振荡
14.
calar quadrupole oscillatio
同位旋标量四极振荡
15.
The Jinggang Mountains stand where the boundaries of four counties meet.
井冈山位于四县之交。
16.
(football) the person who plays quarterback.
（足球）打四分卫位置的人。
17.
Quartiles divide the data into four equal parts.
四分位点资料分成四等分。
18.
a locus with four alleles
具有四个等位基因的位点;具有四个等位基因的位点