onearth与ont夫拉蒸析练海heearth区别：
一、发音。
1、onearth，英[ɔnə咐型悄:θ] 美[ɑnɚθ]
2、ontheearth，英[ɔnðəə:θ] 美[ɑnðiɚθ]
二、含义。
1、o盾图烟觉龙依写密叶nearth，世界上;究竟，到底;世上;天底下
2、ontheearth，在地球上
三、实际运用举例。
1、onearth
What on earth had Luke done?
卢克究竟做了什么？
Scientis360问答ts have described t字当抗脸阻达简客括来再he Aral sea as the site of the worstecological disaster on earth.
科学家把咸海衡渣描述成地球上最严重的生态灾难发生地。
I can unders重哪激铁属父宽亚tand why astronauts find it difficult to readjust to lifeon earth
我能够理解为什么宇航员发现重新适应地球上的生活不容易。
2、ontheearth
Let us suppose another planet with conditions similar to those on the earth.
让我们假定另外有括染消延兰育原一个具有和地球上相巴什重土伤甚销斗钟单似条件的行星。
When the radiant energy of the sun falls on the earth, it is changed into heat energy, and as a result the earth is warmed.
当太阳的辐射能落在地球上时，就变为热能，于是，地球暖和起来了。
The Pioneer probes have on b牛棉令坚关冷刑步oard ultravio美液let instruments which are measuring light that we can't measure on the earth.
“先驱者号”太空探测器上装有紫外线仪器，能她应被底益租烂够对在地球上探测不到的光进行测量。
标签：earth,区别
