对洪水的预测并不是一门精确科学。Forecasting floods is not an exact science.他们在房屋周围堆沙袋以抵御洪水的侵袭。They sandbagged their homes to keep out floods.据说,那里遭受了一场大洪水的袭击.It is said that there has been a big flood....
He is under a delusion in this matter.他对这事有误会.He is under the delusion that he is Napoleon.他患了妄想症,认为自己是拿破仑.This was not optimism, it was delusion.这不是乐观，这是妄想。There is no fire like lust, no grip like hate; there is no net ...
She jogs every morning to get rid of her excess weight.为了减肥,她每天早晨慢跑.Turn left where the road jogs.到这条路急转弯处向左拐.He jogs around the park in the early morning.清晨他在公园里慢跑....