Josh doing a running cartwheel, jumping up and catching the monkey bars, and pulling himself rapidly across hand-over-hand.
杰克跑着做了一个侧手翻，跳起来抓住猴杆，双手交替着将自己迅速拉到对岸。
2
So, basically, in order to move, a cell climbs hand-over-hand along the extracellular matrix until it reaches a blood or lymphatic vessel and penetrates it. From there, it's smooth sailing.