单词backward and forward
na.: 忽前忽后；来回地；前前后后
网络: 前瞻；反复；反省与前瞻
反复
adv.back and forthto and froup and downhither and thitherfrom side to side
In trying to remove the nail from the board, he used the hammer to wiggle it backward and forward.
他用锤子左右来回敲松钉子，试图把它从板子上取出来。
The thieves had already taken down George who swung backward and forward between the two posts to make room for Gringoire.
小偷们早已把在两根木桩中间前后遥晃的乔治放下，为格兰瓜尔腾出地方。
A holiday gives one a chance to look backward and forward, to reset oneself by an inner compass.
假期使你有机会回顾与前瞻，用心中的罗盘重新定好自已的方位。
A holiday gives one a chance to look backward and forward, to rest oneself by an inner compass.
假期使你有机会反省与前瞻，用心中罗盘重新定好方位。
Own the topic. Be prepared to know the subject inside and out, backward and forward. Don"t forget to practice, practice, practice.
掌握话题。做好准备工作，把演讲的主题里里外外、前前后后地彻底了解清楚。谨记练习、练习、再练习。
As for the backward and forward equation of nonhomogeneous (H, Q)-processes, we proof them in a new way.
本文对非齐次（H，Q）过程定义的已有成果：向前、向后方程给予了新的证明；
The bed can be pulled up and down, but also rolled backward and forward with the crank to make space in the main room.
床可以拉起来了，而且还推出向后和向前的曲柄在主室的空间。
A search strategy which uses both backward and forward chaining during a single processing of a knowledge base.
在知识库处理期间同时使用正向和逆向（拉）链的一种搜索策略。
Their services are clocklike, to be set backward and forward at their lord"s command.
他们的服务象闹钟一样精确，随时按照主人的命令做出调整。
Provides information about backward and forward compatibility.
提供有关向后和向前兼容性的信息。