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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。
- In the large inn-yards waiters flitted to and fro and often ran against each other. 堂倌们在旅馆的大院子里奔来奔去，常常彼此撞个满怀。
- 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。
- Some crows, scenting blood, flitted to and fro among the birches, cawing impatiently. 乌鸦闻到血腥味，急不可耐地狂叫着，在白桦树上飞来飞去。
- To move about or to and fro rapidly and gracefully; flit. 快速优雅地来回移动;轻快地动。
- 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。
- To move about or to and fro rapidly and gracefully;flit. 快速优雅地来回移动；轻快地动
- 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。
