As geologists, we examine layers of sediment on the Earth' s surface to approximate the dates of past geologic time periods.

作为地质学家，我们研究地球表面的沉积层以估算过去地质时期的年代。

youdao

The scene of the Five Starred Red Flag against the dark sky on the grey lunar surface was taken by a camera on the Chang'e s robotic probe's lander and then sent to the ground control.

在灰色的月球表面，五星红旗映衬着黑暗的天空，这一幕是由嫦娥机器人探测器的着陆器上的相机拍摄的，然后发送到地面控制中心。

youdao

A storm is classed as a super typhoon if it reaches maximum sustained 1-minute surface winds of at least 65 m/s.

如果风暴的最大持续时间为1分钟，表面风速至少为65米/秒，就会被列为超级台风。

youdao

The atmosphere is about twenty-percent oxygen and eighty percent nitrogen from Earth's surface to where space begins at one-hundred-twenty kilometers up.

VOA: special.2011.04.06

There are - that's one class of proteins on the surface I'm sorry.

对不起,这是细胞膜蛋白的一个种类

耶鲁公开课 - 生物医学工程探索课程节选

Then,seventy-million years ago, the Earth's surface, or crust,pushed upward.

VOA: special.2010.01.04

Solar energy can, of course, be gathered on Earth, but only about half of the sun's radiation ever makes it to the Earth's surface--the rest is either absorbed by the atmosphere or reflected back by clouds.

FORBES: Galactic Gold Mine?

It will make its closest approach to the Sun - at a distance of not much more than a million km from the Sun's surface - on 28 November.

BBC: Comet Ison caught on film by Deep Impact craft

It comes from a garden wholesaler, which provides the high quality soil, taken deep beneath the earth's surface -- 10 meters down, in fact.

CNN: Tokyo restaurant dishes up the dirt