froing

常见例句

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。