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- For safety's sake, don't drive more than 30 kilometers per hour in the city. 为了安全起见，在市内开车时速不要超过三十公里。
- All vehicles must be operated within the chemical plants maximum speed limit of 25 kilometer per hour, unless a lower speed is posted. 在没有更低的限速指示牌的情况下,所有在化学工厂厂区内行驶的车辆最高限速为每小时25公里。
- To let this happen, the orbiter fired thruster enginers to slow its nearly 18,000 kilometer per hour speed by one-third. 为了实现这一点，火星探测器打开了喷射装置，降低了三分之一的飞行速度，大约降低1.;8万公里时速。
- The car speeded up to hundred kilometers per hour. 汽车加速到每小时100千米。
- Maximum is 70 kilometers per hour. 最高每小时为七十公里。
- As a express train with 96 kilometer per hour at least needs over 48 hours acrossing American. 一辆时速为96公里的快速火车;横跨美国需要48小时以上.
- Its muscles are such that it is quits incapable of moving at a speed of over a kilometer per hour even over the shortest distance and the swiftest movement it can make is sweep of its hooked arms. 它的肌肉组织使得它只能在很短的距离内以不到一公里的时速移动，而它所能做到最迅捷的动作就是挥动它钩状的上臂。
- The maglev can move as much as 400 kilometers per hour. 磁悬浮列车的速度每小时高达400公里。
- Top walkers reach speeds of up to 15 kilometers per hour. 高水平的竞走运动员每小时时速可达15公里。
- The speed of the first train was as slow as several kilometers per hour. 第一辆火车的速度慢至每小时几公里。
- In other words, when the wind is blowing at120 kilometers per hour, most waves will be about twelve meters. 换句话说，当风速为每小时一百二十公里时大部分波浪高约为十二米。
- In other words, when the wind is blowing at 120 kilometers per hour, most waves will be about twelve meters. 换句话说,当风速为每小时一百二十公里时大部分波浪高约为十二米。
- In other words,when the wind is blowing at 120 kilometers per hour,most waves will be about twelve meters. 换句话说，当风速为每小时一百二十公里时大部分波浪高约为十二米。
- At the same time, the existing speed limit of 70 kilometers per hour on the above road section will be rescinded. 同时,现时在上述路段所实施的每小时70公里车速限制,将予以撤销。
- The resulting tsunami traveled at 700 kilometers per hour to rear up like a hydra onto shores, sweeping away some 225,000 lives and millions of livelihoods across 12 nations. 海啸以时速700公里前进，如九头蛇般不断地抬升，直到吞噬整个海岸，带走了22万5000条人命，并造成12个国家数百万人的生计陷入困境。
- At present, the tropical storm is about 20 kilometers per hour speed to continue to move north-east. 目前热带风暴中心正以每小时20公里左右的速度继续向东北方向移动。
- Finnegan says Messenger made a nighttime approach toward Mercury at nearly 26, 000 kilometers per hour. 菲尼肯说，信使号以近每小时26000千米的速度在夜间进入接近水星。
- Expected, "Rosa" about 20 kilometers per hour speed of the move to the Northeast, the strength is waning. 预计，“蔷薇”将以每小时20公里左右的速度向东北方向移动，强度逐渐减弱。
- The ride is controlled by a computer system, and the cars travel at an average speed of 40 kilometers per hour. 过山车机头由计算机系统控制，当时，过山车的运行平均速度是40公里每小时。
- The solar tsunami spread at nearly one million kilometers per hour, and circled the entire Sun in a matter of minutes. 这次日啸震波传播的速度接近每小时100万公里，环绕整个太阳大约只需数分钟。
