Mercator might be used by a geologist mapping current directions in Palaeozoic sediment.地质学家可用麦卡托投影来绘制古生界沉积中的水流方向.The mercator projection is one of the most used world map projection.麦卡托式是最常用的世界地图投影法.We improved arithmet...
The scientist’s experiments have thrown great light on the amazing ways honeybees communicate in their dark hives.这位科学家的实验很清楚地表明了在黑暗的蜂房里,蜜蜂是怎样以很巧妙的方式传递信息的。You wonder how honeybees tell each other where to find food?你想知道蜜...
He saw the dog's twitching nose poke out of the basket...他看到那只狗一抽一抽的鼻子从篮子里冒出来。No longer content to poke about in that little town, Morton went up to New York.莫顿不再满足于呆在那个小镇上, 到纽约去了.We hadn't been able to poke ou...