名词流行病;蔓延形容词传染病;流行性的网络流行的;传染的;传染性的
形容词
1. epidemic
1. Buying goods on the installment plan has become epidemic in recent years. 近几年来,用分期付款的办法购物十分流行。
2. Violence is reaching epidemic levels. 暴力达到了流行的程度。