Widespread epidemics in birds increase opportunities for human exposure.禽类中的广泛流行增加了人类暴露的机会.The epidemics usually stop when the summer rainy season begins.时疫通常在夏季雨季开始时停止传播....the protection of mankind against the forces o...
Siberian breed of white or cream dog of the spitz family.斯皮茨狗科的白色或奶油色皮毛的西伯利亚狗.She was hardened by the rigours of the Siberian steppes...西伯利亚大草原的艰苦环境使她变得坚强起来。...the hell of the Siberian labor camps...地狱般的西伯利亚劳改营We also sa...