牵引运行 running under power
- 科学家们认为这个速度加上行星的重量屈服于强大的重力牵引力,可以改变行星的运行轨道。
Scientists think that this speed coupled with the planet's heft yields strong gravitational tugs that can alter the planets orbit. - 由于类似空气阻力的牵引作用,这些气体的(运行)速度减缓。
The gas was slowed by a drag force similar to air resistance. - 在拖车运行时必须谨慎地操纵控制系统,否则牵引机就会被推倒。
Great care had to be taken with the control systems for a powered trailer because, when turning, it can push the tractor unit over.
您正在访问的是
中国词汇量第二的英语词典
更多精彩,登录后发现......