这是 七十五 岁 、戴助听器老人耳中的同一辆卡车.This is what the same truck sounds like to a 75 - year - man with a hearing aid.戴一小时的耳机,耳中的细菌可以增加700倍?Wearing headphones for an hour will increase the bacteria in ear by 700 times....
它们由几匹最膘壮的公野马领群, 机警善跑, 游走无定,夜间混入牧群.These wild horses, swift and alert, roam where they please, led by a few sleek steeds.食肉动物对牧群是个威胁.Predators were a threat to the herd.我自己的牲口在牧群中间.My own animals are in the middle of the ...