rock back and forth

rock back and forth的基本解释

-

摇头晃脑

与rock back and forth相关的网络例句 [注：此内容来源于网络，仅供参考]

This causes the vomer bone, which runs through the nasal passages to the mouth, to rock back and forth, says Lisa DeStefano, D.O., an assistant professor at the Michigan State University college of osteopathic medicine.

密西根大学整骨医药学院的Lisa DeStefano教师称，这样的操作可以让鼻腔内的梨骨来回摇动，这样可以减轻鼻塞。

Wag one's head -- look pleased with oneself; assume an air of self-approbation ; nodding and rolling (his head about priggishly whenever he speaks).; rock back and forth

成语晃：摇动。脑袋摇来摇去；形容旧时读书人吟诵的姿态或自得其乐、自以为是的样子。也作"摇头摆脑"。有时也形容轻狂之态。例句弟弟背古文的时候；总是～；像个老学究似的。

As I rock back and forth,the old chair squeaks and creaks;but the sounds are soothing.

当我来回摇动它时，旧椅子发出了吱吱的声音。