① experience表示“經驗,體驗”時,是不可數名詞。
He has much experience in teaching. 他很有教學經驗。
We should learn by experience. 我們應該吸取經驗教訓。
② experience表示“經歷,經歷的事情”時,是可數名詞。
The big fire was a terrible experience. 那場大火是一次可怕的經歷。
He can not forget those sad experiences. 他不能忘記那些悲慘的經歷。
③ experienced既是experience的過去式和過去分詞,也可用作形容詞,意為“有經驗的”,可作定語或表語。
She is an experienced teacher. 她是一位有經驗的教師。
She is experienced in doing this kind of work. 她做這類工作有經驗。