Since nitrogen is fourfifths of the air we breathe, they are surprisingly optimistic about raising the temperature on Mars and believe it could be done in hundred years.
由于氮占我们呼吸的空气的五分之四,他们对提高火星的温度持惊人的乐观态度,相信这可以在一百年内完成。
2
Nowadays, a number of people like HUAWEI phones better, and about four-fifths of them are adults.
现在,很多人更喜欢华为手机,这些人中大约五分之四是成年人。
3
The ivory Buddha carved by Shen Weizhong is the world's smallest piece of sculpture, its size being just four-fifths of a grain of rice.