astronomer 高考

astronomers can gauge the star's intrinsic brightness.

天文家可以判断出内在亮度。

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家。

astronomers calculating the positions of the planets.

天文家计算行置。

The astronomers were taking an observation of Jupiter.

天文家们正在观测木。

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

天文家可以算出何时发生日食和月食。

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

天文家能精确地预告未来日食月食日期、时刻和时长。

Astronomers used to ask why only Saturn has rings.

天文家们过去一直感到奇怪,为什么只有土有光环。