Undulation

the surface of a sphere, a ball, the earth

球体、 球、 地球的表面

being or operating on or near the surface of the earth.

处于地球表面、在地球表面运行于或接近地球表面的。

earth:The land surface of the world.

"地表,陆地:地球的那层陆地表面."

The land surface of the world.

地表，陆地地球的那层陆地表面

a deep opening in the earth's surface.

地球表面上的深开口。

About 70% of our globe's surface is water.

地球表面70%是水。

Slower surface waves travel along the surface of the earth.

较慢的面波沿地球表面传播。

One-fourth of the earth's surface is land.

地球表面的四分之一是陆地，

Sial is the base on which the land surfaces of the Earth stand.

硅铝带是地球陆地表面的基

than the 200 mile-journey from Earth's surface into orbit!

要比从地球表面进地球轨道的200英里所耗能量。

All the water of the earth's surface is included in the hydrosphere.

地球表面的水都属于水圈的范畴。

a large indefinite location on the surface of the Earth.

地球表面一个很大的不确定的位置。

Since the sea covers the greater part of the earth's surface,

既然海洋覆盖着地球的大部分表面，

Oceans cover about three-quarters of the earth's surface.

海洋覆盖了地球表面的四分之三。

The sea covers nearly three-quarters of the word's surface.

海洋几科覆盖地球表面的四分之三。

a radio wave propagated on or near the earth's surface.

沿地球表面传播的无线电波。

70 percent of the earth's surface is covered by water.

地球表面的70％被水覆盖着。

Most of the earth's surface is covered by water.

大部分的地球表面被水覆盖着。