Phokomelia
n. [医]海豹肢症
🗣️ 情景例句
but it's too early to know for sure.
但我现在还不能决定。
I'd better be going.
我得告辞了。
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，