| 例句 |
He pumped his arms up and down as he ran.他跑步的时候手臂不断上下摆动。Her hair bounced when she walked.她走起路来头发上下摆动。The small boat was bobbing on the rough water of the lake.小船在汹涌的湖面上上下摆动。Her arms rose, fell, and fluttered with the rhythm of the song.她的手臂随歌曲的节奏上下摆动。She started running, fat legs pumping.她开始跑，两条胖腿上下摆动。 |