I became interested in Pluto as a graduate student at Caltech in 1984.

1984年，我在加州理工学院读研究生时对冥王星产生了兴趣。

youdao

I became interested in Pluto as a graduate student at Caltech in 1984.

1984年，我在加州理工学院读研究生时对冥王星产生了兴趣。

youdao