- but then he couldn ' t . - what does he have ? one of those tandem things 但后来他不能来了他有什么？一种前后摇摆的东西？
The kinetic energy is what causes penguins to sway forwards and backwards , and from side to side 动能就是引起它们前后晃动、左右摇摆的原因。
It was mid - june , 1972 , the chicago amphitheater was packed , sweltering , rocking 1972年6月的一天，芝加哥圆形剧场挤满了大汗淋漓、疯狂摇摆的人们。
Faults : short , prancing or choppy gait , lumbering or rolling gait ; crossing or crabbing 缺点（不合格） ：步伐过短，跳跃或者起伏，笨拙或者摇摆的步态；横向行进或斜行。
The existence of the rolling condition resulted in the possibility of the onset of the pressure drop oscillation 摇摆的存在导致了在其他条件相同时有可能发生压降振荡。
Unless it can force big concessions from the americans , several wavering senators could well switch sides 除非它能迫使美国做出巨大让步，否则一些摇摆的参议员会彻底转换立场。
The phase and the frequency of the laser light inside the arms will shift in opposite directions 当两管臂内的光束与另一参考光束重叠在一起的时候，它们就无法同步振? ，而会产生摇摆的干涉节拍。
I usually demonstrate to my students how silly it looks to run to meet the ball with the racket wagging behind 我常常证明给我的学生看，在跑动迎击球的过程中拍子在身后摇摆的样子是多么的愚蠢。
Are there any dangling electric cords , loose nails , plastic bags or other tempting objects that will be in puppy ' s reach 房间内有没有悬垂摇摆的电线，松动的钉子，塑料袋或者其他类似能吸引狗狗物品？
