tumble into的用法和樣例：
例句
- I ran into my professor in the lounge.
我在休息室偶然遇見(jiàn)我的教授。 - In the course of their adventures and albums they keep running into another couple of odd chaps who paired up, one from Africa and one from South America.
在他們冒險的經(jīng)歷中和在他們的像冊里記錄著(zhù)他們偶然遇見(jiàn)了一對古怪的小伙子，一位來(lái)自非洲，另一位來(lái)自南美洲。
