我们地球表面的70%是水。

70% of our globe's surface is water.

《柯林斯英汉双解大词典》

水覆盖了地球表面的大部分。

Water covers a large proportion of the earth's surface.

《牛津词典》

1664年，胡克观察到了那颗行星表面的一个微红的斑点。

In 1664 Hooke observed a reddish spot on the surface of the planet.

《柯林斯英汉双解大词典》

Second explicate purpose for the education institutions is to allow students to practice and to apply what they've learnt.

第二个教育体系的,表面目标是,给学生实践的机会,让他们运用所学的知识。

麻省理工公开课 - 媒体、教育、市场课程节选

That is the lowest point on the earth's land surface so this dramatic drop in just a very short geographical area.

这是地球陆地表面的最低点,这急剧下降是在很短的地理范围内。

耶鲁公开课 - 旧约导论课程节选

Yes. In fact, there is not enough energy in a single photon to go ahead and eject an electron from this zinc surface.

是的，事实上，这里的光子没有足够的能量,去从锌表面逐出一个电子。

麻省理工公开课 - 化学原理课程节选