astronomer 高考

1.astronomers can gauge the star's intrinsic brightness.

天文可以判断出星星亮度。

2.a most unusual astronomer inasmuch as he was deaf mute.

鉴于他是聋哑人，他是个十分不同寻常天文。

3.astronomers calculating the positions of the planets.

天文计算行星位置。

4.The astronomers were taking an observation of Jupiter.

天文们正观测木星。

5.Astronomers can calculate when there will be eclipses of the sun and moon.

天文可以算出何时发生日食和月食。

6.Astronomers can accurately foretell the date,time,and length of future eclipses.

天文能精确地预告未来日食月食日期、时刻和时长。

7.Astronomers used to ask why only Saturn has rings.

天文们过去一直感到奇怪,为什么只有土星有光环。