大家都搜：
观察地球
1、watching───vt.观看，守望；监视，注意（watch现在分词）
2、the earth───地球；[医]至阴; 环球; 大地; 地
3、earth───vt.把（电线）[电]接地；盖（土）；追赶入洞穴；n.地球；地表，陆地；土地，土壤；尘事，俗事；兽穴；vi.躲进地洞
4、circumnavigated the earth───绕地球航行
5、on the earth───在世上；在地球上；在地上
6、keep watching───看守；值班；放哨；提防
7、watching the english───看英语
8、cost the earth───耗资巨大；花费巨大
9、depopulating the earth───地球人口减少
1、I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth becoming smaller and the moon larger.───我立刻欢呼起来，由于失重我在太空舱里飘来飘去，我望着地球越来越小，而月球越来越大。
2、I'm watching the Earth crumble before my eyes.───我亲眼见证地球在我面前分崩离析。
3、For the past 30 years I've been closely watching the earth and its dwellers from high up in the sky.───过去30年里，我有幸从高空仔细观察地球和它的居住者们。
4、I'm watching the Earth crumble before my eyes.───我亲眼见证地球在我眼前分崩离析。
5、The next shuttle flight will take place in February, when Endeavour delivers a complete cupola for watching the Earth.───下次飞行任务将在明年二月份，奋进号航天飞机将输送一座瞭望塔，用于观察地球。
6、I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller and the moon larger.───我立刻感到高兴起来，由于失重我在太空舱里飘来飘去，我望着地球越来越小，而月球越来越大。