前后

前后 [qián hòu]

1. ■ （时间接近） around; about:

春节前后 around the Spring Festival

2. ■ （自始至终） from start to finish; from beginning to end; altogether:

这篇小说从动笔到定稿，前后用了一年时间。 The novel took a year to write altogether, from start to finish.

他前后来过四五次。 He has been here four or five times altogether.

3. ■ （前面和后面） front and back:

受到前后围攻 be attacked both front and back; be caught between two fires;

房子前后都是果树。 There are fruit trees in front and at the back of the house.

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常用词组

1. ■ 前后摆动 swing;

2. ■ 前后比 front-to-back ratio;

3. ■ 前后肠 ileocolon;

4. ■ 前后车轴架 rear and front axle stand;

5. ■ 前后重叠 forward lap;

6. ■ 前后次序 succession;

7. ■ 前后颠簸 piching;

8. ■ 前后关系 context;

9. ■ 前后弧焊 tandem arc weld;

10. ■ 前后换置式装载机 alternative front or rear loader;

11. ■ 前后间距 fore-and-aft clearance;

12. ■ 前后距离 longitudinal separation;

13. ■ 前后两用刀架 tool-post for front and rear slide;

14. ■ 前后列柱建筑 amphiprostyle;

15. ■ 前后倾斜计 fore-and-aft inclinometer;

16. ■ 前后双扳机 double-set trigger;

17. ■ 前后通风 cross ventilation;

18. ■ 前后相互影响 front-to-back effect