单词sway-back
un.: 后仰躲闪
网络: 牛马背异常凹陷；向后弯曲
I grab onto the slab with bloody hands and sway back and forth, trying to knock it loose.
我用流着血的手抓住石碑，前后摇晃，想要使它松动。
The spins are then repeatedly flipped, causing the cantilever to gently sway back and forth in a synchronous motion.
这些磁旋反复的翻转，从而导致硅悬臂出现轻微的同步摆动。
Slip into a chair or remain upright, and sway back and forth.
滑进一张椅子中，或者保持直立，来回的摇晃。
During the course of the movie play, seats will sway back and forth.
电影播放过程中，坐椅会前后摆动。
Thereupon, I was in court that joke said, result some people smiled knock the table, some people smiled sway back and forth on the place.
于是，我当庭把那个笑话讲了出来，结果有人笑得敲桌子，有人笑得在地上打滚。
What about us? You expect us to just sway back here like props?
我们呢？你就把我们当做摇头晃脑的道具吗？。
When standing on dry land, people sway back and forth by about 1. 5 inches (four centimeters) every 12 to 15 seconds.
事实上，人们在陆地上站立时，每隔12到15秒钟就会前后摇摆，摆幅达1.5英寸（4厘米）（却没有眩晕反应）。