1.When the microcapsules reach this point, the effect that allows them to roll along is removed.
当微聚体到达这一处时，使它们滚动的作用将消失。
2.This is a rolling rocket that you briskly roll along the floor, and when you let go, it continues to roll for quite a distance.
这是一个火箭弹玩具，可以在地板上滚动，放手之后，它能滚出很长距离。
3.When I was a small boy in Edinburgh my father took me to see the last tram roll along Princes Street.
小时候，在爱丁堡，有一次父亲带我去看最后一班有轨电车绕行普林西斯街。
4.This interaction causes the cells to drop from the circulation and to roll along and attach to the artery wall.
这个作用使得这些细胞从循环中脱队，而贴附在动脉壁上。
5.The rollers roll along the contour.
滚筒辊沿等高线。
6.and as i roll along i begin to find
而就在这过程中我开始发现