地月

earths colour───地球颜色

harvest moon───秋分前后的满月

barley moon───大麦月亮

earth sign───地球标志

earth tone───褐土色；茶色

earthborn───adj.地中长出的；会死的；尘世的；凡人的

earthman───n.地球人（该词源于科幻小说）

The fact that man would soon be able to visit the moon built up new scientific interest in earths nearest neighbor.───人类不久可以游览月球的事实，引起了对地球近邻的新的科学兴趣。

Another key purpose that our moon serves is that its gravitational force stabilizes earths axis with respect to earths plane of orbit around the sun.───月球也有另一个主要功用：它的引力使地球的轴心跟地球绕太阳运行的轨道平面保持一定的倾斜度。