After a long time, some of the rock changes to clay.

VOA: special.2009.09.14

Anybody If you have withdrawals after eating a certain type of food for a long time.

有人回答吗,当你长期吃某种食品,某天你不吃了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It affected me quite a bitbecause I was out of work for a long time after that.

它也对我影响很大，因为那个事件以后，我失业了很久。

911事件的影响 - SpeakingMax英语口语达人

After one gathering, several men surrounded her and talked for a long time.

VOA: special.2009.05.10

Eight years after the end of a decade-long civil war, people will talk publicly for the first time of atrocities committed in their communities.

VOA: standard.2010.06.07