例句與造句

1. The head of hair - pin vortex rise to the center of the pipe and horse - shoe vortex is formed . then the horse - shoe vortex detaches from hair - pin vortex and form isolated ring - like vortex
   首先發(fā)卡渦的頭部在向圓管中心抬升的過(guò)程中，會(huì)形成馬蹄渦，馬蹄渦從發(fā)卡渦頭部脫離后，形成孤立的環(huán)形渦。
2. It's difficult to find isolating ring in a sentence. 用isolating ring造句挺難的