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- Also, forward and backward acceleration will change; robots moving forward will be able to move faster. 另外,前后加速将会更改;机器人向前移动时速度可以更快。
- He lined out for home without a backward glance. 他头也不回，急忙往家里走去。
- This part of the country is still backward. 这个国家的这个地区仍很落后。
- In some cities housing conditions went backward. 某些城市的住房条件越来越差。
- The teacher was patient with backward children. 那位老师对迟钝的学童十分耐心。
- He looked backward over his shoulder. 他回头向后看。
- An instrument used to measure acceleration. 加速计，测震仪用于测量加速度的仪器
- backward acceleration 后向加速度
- She looked backward over her shoulder. 她回头往後看。
- Sheila is very clever but rather backward in expressing her ideas. 希拉很聪明，然而在表达思想时却有些腼腆。
- Although he is clever, he is backward in giving his views. 他虽然很聪明，却不善发表他的意见。
- Frank was so backward that he hesitated to ask her to dance. 法兰克非常腼腆,不好意思请她跳舞。
- He had a firsthand taste of life in backward mountainous areas. 他直接体验过落後山区的生活。
- The system undergoes no acceleration. 该体系不承受加速度作用。
- All spacemen must be able to bear acceleration. 所有太空人都应能承受加速度。
- A backward flow of water, as from the action of oars. 反流，逆流向后流的水，如由浆的划动引起
- What direction is the acceleration of the canoe? 独木船的加速度方向如何?
- The backward man lacks black background. 落后的男子缺少黑色背景。
- It is called the centripetal acceleration. 这叫做向心加速度。
- The calcaneus projects backward behind the ankle. 跟骨突出于踝部的后方。
