Flu virus can live on shared objects ( doorknobs, keyboards, counters, etc ).病毒可以在共用物品表面生存 ( 门把手 、 键盘 、 柜台等 ).The doorknobs, hinges and copper wiring were stolen, as were the appliances and carpet.门把手 、 铰链、铜配线, 还有家用电器和地毯...
The biology class studied the generation of fruit flies.生物班的学生研究了果蝇的繁殖。A lie begets a lie till they come to generation.谎言生谎言,谎言传万代。The generation of aerosols in polluted atmospheres has been investigated in several exper...