For a minute or so, our train seems to travel at a uniform speed.
一分钟左右以后，我们的火车似乎在匀速行驶。
For a minute or so, our train seems to travel at a uniform speed.
约有一分钟左右，我们所乘的火车似乎是在以均匀的速度向前运行。
If something is moving, with nothing touching it, it will go on forever, coasting at a uniform speed in a straight line.
正在运动的某一物体，如果没有受到任何外力的出动，它将永远继续作匀速直线运动。
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