发生: 1.happen; occur; take place; arise; crop up; chance; befall; come off; come to pass; come about; come up; come what may; be set; turn up; bring to pass:2.germination; occurrence3.-gony; -p
普通: common; general; ordinary; plain; honest; private; trile; average 短语和例子普通一兵 an ordinary soldier; a soldier in the ranks; a rank-and-filer; 普通人 the average person; the man in the street; 这是