1.
The brightest or main star in a constellation.
主星，阿尔法星星座中最亮的星或主星。
2.
orbital velocity
卫星绕主星运行的平均速度
3.
the little Dipper
斜斗(小熊星座的七颗主星)
4.
(the) Lord's day
主日((星期日))
5.
Capricorn is ruled by Saturn and Pisces is ruled by a combination of Jupiter and Neptune.
魔由土星主宰，鱼受木星和海王星的共同控制。
6.
The energy of the Planets influences our everyday lives.
这10大行星，是占星学中判断的主干。
7.
Satellite Orbit Navigation Based on Sun-Earth-Star Information;
基于“日—地—星”信息的卫星自主轨道确定
8.
The famous movie star Cheng Long is playing the leading role.
大明星成龙领衔主演。
9.
Landsat principal component image
陆地卫星主分量图象
10.
active satellite attitude control system
主动卫星姿态控制系统
11.
Mount Davis Fresh Water Primary Service Reservoir
摩星岭食水主配水库
12.
prima buffa [ 5bufE ]
(歌舞喜剧的)主要女歌星
13.
The minister married us on Saturday.
牧师星期六为我们主婚。
14.
Sunday-school; Sabbath-school
主日学(星期日学校)
15.
The darkness upon Earth has come from four main sources, the Pleiades, Sirius, Orion and Arcturus.
地球上的黑暗来源主要有4个：昴宿星、狼星、户星和大角星。
16.
Jupiter, Saturn, Uranus, and Neptune are primarily hydrogen and helium.
木星，土星，天王星以及海王星的大气主要是氢和氦。
17.
the alpha male in the group of chimpanzees; the alpha star in a constellation is the brightest or main star.
黑猩猩群体中处于第一位的雄性黑猩猩；星座中第一位的星星是最亮或者主要的星星。
18.
The rest had no major aspect between Mars and Uranus.
剩余的人没有火星和天王星之间的主要相位。