The size of the arrows indicates the relative speed of plate motion.
箭头的大小代表了相应的板块移动速度。
Of course, high speed is relative.
当然，高速只是相对的。
You are not allowed to prevent your relative from increasing the present speed.
你不被允许阻止你的亲戚尽力提高目前的速度。
Our galaxy's position, speed and direction relative to several neighboring galaxies is also important.
我们银河系相对于几个邻近星系的的位置、速度和方向也很重要。
Of course high speed is relative. First a passenger must actually get a seat.
当然，高速是相对而言的。首先，乘客要得买到一个座位。
Of course high speed is relative. First a passenger must actually get a seat.
当然，高速是相对而言的。首先，乘客要得买到一个座位。
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