Peta-
[计] 皮
🧩 词语组成解析
n. 一千兆
🗣️ 情景例句
It's John. Didn't you recognize my voice?
我是约翰。你没听出我的声音？
I hope you get to the station on time.
我希望你准时到车站。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，