on earth和on the earth的区别课本上的一句话：The cheetah is the fastest animal on earth.这里为什么用on earth呢.请高手讲讲,它和on the earth有什么区别?（强烈鄙视抄袭粘贴者!）

on earth和 on the earth有什么不同? on earth on the earth区别 英语翻译on the earth what on the earth? arrive on the earth on earth 和 on the earth 的区别要完整 各方面都要 the greatest show on earth 在地球上是on earth还是on the earth? on earth ,on the earth 有什么区别 on earth.on the earth是啥意思? Chinese Taikonaut Back on Earth为什么不是on the earth at the earth 和on the earth 的区别是什么?在地球上用哪个更好? on earth和on the earth和in the earth 的区分on earth除了有到底的意思 还有在地球上的意思吗earth前什么时候不加定冠词the 1、We live _____.What ______ are we doing with it?A、 on earth,on earch B、on the earth,on the earthC、on earth,on the earth D、on the earth,on earth Sunlight shine on the earth.The habitual. live in the earth还是live on the earth对, in the earth 与 on the earth 有什麽区别? 是live in the Earth还是live on the Earth?