epidemics造句
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 of nature:
epidemics, predators, floods, hurricanes...
保护人类抵御自然力——传染病、食肉动物、洪水和飓风
The epidemic
epidemics usually stop when the summer rainingseason begins.
当夏季雨季到来的时候该传染病就会停止传播.