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- Trucks shuttled to and fro on the high ways. 车辆在高速公路上穿梭行驶。
- He is walking to and fro in the room. 他在房间内踱来踱去。
- The ship was rolling heavily to and fro. 那船晃来晃去很不平稳。
- The signals go to and fro at a very high but almost constant speed. 那些信号用非常快但几乎不变的速度来回传送。
- The cat made little rushes to and fro after the ball. 猫追着球跑过来跑过去。
- The tall chimney tottered (to and fro) and then collapsed. 那座高烟囱摇摇晃晃地倒了下来。
- Buses go to and fro between the center of the city and the city limits. 公共汽车往返行驶于市中心和城市边缘之间。
- According to the study published in the journal Neurology， mild tics such as lip puckering， eye rolling， head to ing， and nose scrunching are important clues to diagnosing other learning disabilities. 依据这项刊登在《神经学》杂志上的研究报告，轻微的抽搐如卷舌头、眼睛、头和抽鼻，是诊断其它一些学习障碍的重要线索。
- Those boats are prepared for waftage to and fro. 那些船舶是准备用来来回运送货物的。
- The whole house rocked (to and fro) when the bomb exploded. 炸弹爆炸时整座房子都震得(前後)直晃。
- People are hurrying to and fro in the street. 街道上人来人往。
- The boat rocked to and fro on the water. 小船在水上前后摇晃。
- The boss traversed to and fro in his office. 老板在办公室来回踱步。
- The clown is jumping to and fro on the stage. 小丑在舞台上来回地跳。
- She is walking to and fro in the office . 她在办公室里踱来踱去。
- She swung to and fro on the swing. 她在秋千上摆来摆去。
- The pendulum swung slowly to and fro. 钟摆在慢慢地来回摆动。
- Mr. Giovanelli was bowing to and fro. 只见乔瓦耐里一个劲儿地点头哈腰。
- The cheerleaders are jumping to and fro. 拉拉队长们来回地跳跃。
- I have a trick of walking to and fro in my room. 我有个在房中走动的习惯。
