蒋健棠英语实用句子(124):He had to drop out of the race

 　　He had to drop out of the race because his leg was injured¹.

　　因为他的脚受伤了，他不得不退出比赛。

　　drop out有退出和退学的意思。

　　He dropped out of school when he was fifteen.

　　他15岁时退学了。

　　如果drop out连成一个单词，写成dropout或drop-out，就变成一个名词，意思是退学生。

　　His mother doesn't want him to be friends with those dropouts.

　　他的妈妈不想他和那些退学生交朋友。

1 injured   

adj.受伤的

参考例句：

• Our best defender is injured and won't be able to play today.我们最佳的防守员受伤了，今天不能参加比赛。
• The injured men have been dug out of the snow.受伤人员从雪中被挖了出来。