n.發(fā)生；事件；出現(xiàn)
Riots are of frequent occurrence in this province. 這省經(jīng)常發(fā)生騷亂。
It is more a made-up story than a real occurrence. 那是杜撰的故事，而不是真實(shí)發(fā)生的事情。
This is a rare occurrence as our climate seldom goes to extremes. 由于這里的氣候很少出現(xiàn)極端，所以這是很罕見(jiàn)的情況。
