The car moved off jerkily.

汽车颠簸着开走了。

Using his cane heavily, he moved jerkily toward the car.

费劲地拄着拐杖，他匆忙磕绊着走向那辆车。

Peter drove jerkily, cornering too fast and fumbling the gears.

彼得开车很不平稳，转弯太快，换档也不熟练。

The ticker began to reel out jerkily its titful coils of tape, the desk telephone had a chronic attack of buzzing.

股票行情自动收录器开始像犯痉挛似地断断续续地吐出卷卷纸带,桌上的电话像害了慢性病似的不时作响。

The 20)ticker began to 21)reel out 22)jerkily its 23)fitful 24)coils of tape, the desk telephone had a chronic attack of buzzing.

股票行情自动收录器开始像犯痉挛似地断断续续地吐出卷卷纸带,桌上的电话像害了慢性病似的不时作响。

Work done a couple of years ago by Mark Pagel of Reading University, in England, suggests that about a fifth of evolutionary change happens jerkily at around the time new species form.

英格兰雷丁大学的Mark Pagel数年之前的研究表明在新物种形成时大约1/5的进化上的改变是“不平稳的”。