您要查找的是不是：
- An instrument used to measure acceleration. 加速计，测震仪用于测量加速度的仪器
- He put forward a constructive suggestion. 他提出了一个建设性的建议。
- It took them two years to construct the bridge. 他们用了两年时间建这座桥。
- constructive acceleration 赶工
- A lot of people from different places act as road construction workers in building highway. Highway construction accelerates local economy,but HTV/AIDS may also spread along the road and influence the road construction worker. 高速公路开始修建后来自不同地方的大批人加入到建设的队伍中，既带动当地经济发展的同时，也可能使艾滋病沿着公路建设影响工地人员。
- 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。
- What direction is the acceleration of the canoe? 独木船的加速度方向如何?
- It is called the centripetal acceleration. 这叫做向心加速度。
- I can not figure out why they ridicule this constructive suggestion. 我弄不懂他们为什麽嘲笑这一建设性建议。
- This is sarcasm, not constructive criticism. 这是讥讽，不是善意的批评。
- Acceleration and velocity are both vectors. 加速度和速度都是矢量。
- Then came that acceleration of locomotion. 后来，移动加快了速度。
- An acceleration in the rate of economic growth. 经济发展速率的增长。
- First you have to construct the plot of the novel. 首先你得把小说的情节设计好。
- This bus has good acceleration . 这辆公共汽车的加速性能很好。
- This plane has good acceleration. 这架飞机的加速度性能很好。
- The acceleration finally began to tail off. 加速度终于越来越小。
- Try to be more constructive at next meeting. 下次开会时多讲些建设性的意见。
