So you can imagine a bead with a wire going through it and the bead can only slide back and forth.
你可以想象一个穿在绳子上的珠子,小珠只能前后滑动
Either a rope is pulling, a rope is pushing it, you are pushing it, you are pulling it.
无论绳子是在拉你还是推你,无论你是在推物体还是拉物体
What makes up a rope? Of course you know, ropes are basically bundles of fibers, very same fibers that have been woven together in a certain way.
绳子是由什么构成的?,你肯定知道,是由一束束纤维构成,是由一样的纤维按某种方式编织,在一起构成。
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