backward transter character

例句：

1. 1.The team is struggling to keep up with the pace of the game.
   球队正努力跟上比赛的节奏。
2. 2.The old man was backing away from the fire when he heard a loud noise.
   老人在听到一声巨响时，正从火中后退。
3. 3. She backed down when she saw her boss's angry face.
   当她看到老板愤怒的脸时，她退缩了。