媒介: intermediary; medium; vehicle 短语和例子传染疾病的媒介 vehicle of disease; vector; 交换媒介 the medium of exchange; 大众宣传媒介 mass media; 授粉媒介 pollination medium; 钱是用来买卖的一种媒介。 money is a medium for buying an
Ticks are well known vectors transmitting a great variety of infectious pathogens and causing serious damage to human and livestock 蜱类是重要的媒介动物，传播多种人、畜疾病，造成极大危害。
