| 词汇 | 前后 |
| 释义 | 前后前后[qián hòu]1.■ （时间接近） around; about:春节前后around the Spring Festival2.■ （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. 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 |
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