slip-stream

n 1 stream of air behind a moving object, eg a racing-car 滑流（移动物体的後向气流, 如赛车的）. 2 stream of air thrust back by an aircraft's engines 尾流（飞机发动机的後向气流）.

slightness, slim, slime, sliminess, slimly, slimmer, slimness, slimy, sling, sling-shot, slink, slinkiness, slinky, slip, slip-case, slip-cover, slip-knot, slip-on, slip-over, slip-road, slip-up, slippage, slipped disc, slipper, slippered, slipperiness, slippery, slippy, slipshod, slipway, slit, slither, slithery, sliver, sliver-grey, slob, slobber, slobbery, sloe, sloe-gin,