1.
Icy Callisto appears to be the most heavily cratered object in the solar system.
冰冻的木卫四看上去像是太阳系中表面坑洞最多的一个星体。
2.
The satellite of Jupiter that is fourth in distance from the planet.
木卫五距离木星第四远的木星卫星
3.
One of the four brightest satellites of Jupiter and the ninth in distance from the planet. It was first sighted by Galileo.
木卫一木星四颗最明亮的卫星之一，距木星的距离排为第九。它首先为伽利略所发现
4.
Research on the Weijingsumu Tourmaline Deposit in Siziwangqi, Inner Mongolia;
内蒙古四子王旗卫境苏木电气石矿床研究
5.
Jupiter has fourteen moons, the largest number of any planet.
木星拥有十四个卫星，是所有行星中卫星最多的一个。
6.
The satellite of Jupiter that is11th in distance from the planet.
木卫六距离木星第十一远的木星卫星
7.
The seventh largest moon of Jupiter and the13th in distance from the planet.
木卫七木星的第七大卫星，距离木星第十三远
8.
Far back in primitive society about four thousand years ago, hard living conditions compelled the ancient people to use stone and wooden tools as weapons for hunting and self-defence.
追溯到四千年前的原始社会，恶劣的生活条件迫使古人使用石块和木器作为武器来打猎和自卫。
9.
One of the four brightest satellites of Jupiter and the seventh in distance from the planet. It was originally sighted by Galileo.
"最亮的四颗行星之一,与木星的距离排在其卫星的第七位,最早为伽俐略观测到."
10.
shrubs or small trees often armed.
灌木或小型乔木通常有防卫器官。
11.
The satellite of Jupiter that is second in distance from the planet.
梅第星距离木星第二远的木星卫星
12.
The satellite of Jupiter that is17th in distance from the planet.
西诺卑距离木星第十七远的木星卫星
13.
Four soldiers stood guard over the coffin.
四个士兵守卫灵柩.
14.
Guards patrolled the perimeter of the airfield.
卫兵沿机场四周巡逻.
15.
Shanghai Golden Swell Sanitaryware Co., Ltd.
上海金四维卫浴公司
16.
the quarterback on our football team.
我们足球队的四分卫。
17.
The quarterback is fading back to pass.
四分卫正后退传球。
18.
Try out a young quarter-back
试用一名年轻的四分卫