他喜欢与那些智力水平不如他的人共处。He preferred the company of those who were intellectually inferior to himself.当然，识字和智力是两码事。Of course, literacy isn't the same thing as intelligence.熊非常好奇，必须不断地给予其智力上的刺激。Bears are very inquisitive a...
This paper introduces a rarely seen method of describing with diametral distance.本文介绍了一种鲜为人知的用直径距离描绘椭圆的方法.Meshing spur gears must have the same diametral pitch.互相啮合的直齿圆柱齿轮,必须具有相同的径节.Diametral pitch : the number of teeth ...
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...