on earth:
究竟,到底
例句與用法:
1.Why on earth didn't you tell me the truth?
你到底為什么不跟我說實(shí)話?
2.Who on earth told you that?
那件事究竟是誰告訴你的?
3.How on earth did you know it?
你到底是怎么知道的?
4.What on earth will he get up to next?
下一步他究竟要耍什麼花樣?
5.What on earth do you mean?
6.Who on earth is that female he's with?
跟他在一起的那個女人究竟是誰?
7.This is a market condition no force on earth can change.
這一市場情況任何力量也改變不了.
8.What on earth is that?
這到底是什么?
on the earth:
在地球上
例句與用法:
1.Scientists have set up two kinds of relay stations.One kind is on the earth,the other is a satellite placed in space around the earth.
科學(xué)家們已建立了兩種中繼站,一種在地球上,而另一種是放在地球周圍太空中的衛(wèi)星上.
2.Long ago enormous animals lived on the earth.
很久以前,地球上生活著巨大的動物.
3.There are millions of living things on the earth.
世界上有數(shù)以百萬計的生物.
4.If it were not for oxygen and nitrogen in the air,no man could live on the earth.
大氣中如果沒有氧和氮,人就無法生存于地球了.