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- All movements must begin with a backward motion with very few exceptions. 几乎所有的动作都以一个相反的运动开始。
- A hinged or pivoted device adapted to fit into a notch of a ratchet wheel to impart forward motion or prevent backward motion. 掣爪，棘爪一种枢轴或转轴器械，能与齿轮缺口或齿间吻合来前进或防止后移
- In this paper the automatic navigation of a tractor-trailer combination (TTC) along rectilinear path in backward motion based on PD control was presented. 摘要利用PD控制设计了拖拉机半挂车机组的自动直线倒车控制系统。
- A sudden or violent backward whipping motion. 后冲，反撞突然或强烈的向后抽动
- He lined out for home without a backward glance. 他头也不回，急忙往家里走去。
- It is this molecular motion that we call heat. 就是这种分子运动我们称之为热。
- The meeting carried the motion by a large majority. 会议以多数通过了这项提议。
- This part of the country is still backward. 这个国家的这个地区仍很落后。
- He used his casting vote to block the motion. 他用他的投票反对动议的通过。
- In some cities housing conditions went backward. 某些城市的住房条件越来越差。
- Kinetic energy is the energy arising from motion. 动能就是由于运动而产生的能量。
- The teacher was patient with backward children. 那位老师对迟钝的学童十分耐心。
- He introduced a motion to the Congress. 他向国会提交了一份议案。
- He looked backward over his shoulder. 他回头向后看。
- The motion was put to the assemblage. 这项提议已提交大会了。
- Parts of the film were shown again in slow motion. 影片的一些部分以慢动作重放。
- Mr.Smith spoke in support of the motion. 史密斯先生发言支持该项。动议。
- His motion threw the meeting into an uproar. 他的建议在会上引起了一片吵嚷。
- Matter is in constant motion and constant change. 物质总是在不断运动，不断发展。
- What's your opinion of the motion? 你认为这项提议怎样？
