a great cultural metropolis一个大的文化中心the metropolis of the Midwest中西部的大都会He was dazzled by the gaiety and splendour of the metropolis.大都市的花花世界使他感到眼花缭乱.This was a great , pleasing metropolis after all.这毕竟是个令人振奋的大都市.The hard...
Interferon, inducers have only been used to a limited extent in man.干扰素 、 诱生剂只是在有限程度上对人用过.In short, interferon is a natural substance on an unnatural mission.简言之, 干扰素是一种负有特殊使命的天然产生的物质.Interferon is probably the most sign...
Pigeons fluttered in and out, cooing gently.鸽子们低声咕咕地叫着，扑扇着翅膀飞进飞出。Flags fluttered in the breeze.旗帜在微风中飘扬。Imes concluded from her fluttered look that she had spent the money.艾姆斯从她慌张的眼神推断出她花光了钱....