rocking motion

基本解释

The rocking motion may allow your pelvis to move and encourage the baby to descend.
摇摆晃动可以改变你的骨盆并帮助你的宝宝下降。
A man with mirth is like a chariot with springs, in which one can ride over the roughest roads and scarcely feel anything but a pleasant rocking motion.
而欢乐的人就像一辆装有弹簧的战车，无论形式在多么崎岖的路上，带给车可的也只有舒适轻微的摇摆，而无任何不适。
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Robin brought champagne. I had a fresh croissant from Belle Epicurean, an authentic French bakery in Seattle, a good book and 36 hours of rhythmic, rocking motion before I reached Los Angeles.
萝宾拿来了香槟，我从西雅图最地道的法式面包房买了新鲜的羊角面包，带了一本好书，期待着到达洛杉矶前36个小时行车中有节奏的晃动。

For renewable energy on a smaller scale, a graduate student in Israel developed a prototype for an elegant rocking chair called Otarky that produces energy from its rocking motion and can be used to charge devices and power a lamp.
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We also showcased several innovations from the intersection of fashion and technology -- a light-up Twitter dress, a pair of "Social Denim" jeans that let you update your Facebook status on the fly and a brilliant "Rocking Knit" chair that uses kinetic energy generated from the chair's gliding motion to knit a winter hat while you sit.
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