1、ran作为动词，是run的过去式，意思是跑。
2、如She ran against an old schoolmate in the park last week. 她上星期在公园中和一个老同学不期而遇。Suddenly a rabbit ran in front of us, and the dog made after it. 突然在我们面前有一只兔子在跑，于是狗就追了上去。
3、常见的短语有ran into跑进…；偶然碰见…。Ran out 耗尽。Ran away逃跑。Ran up 涨起。如Then the wolf ran away through the trees. 然后，这只狼穿过树林跑掉了。
