Ostalgitis
[医] 痛性骨炎
🗣️ 情景例句
Why are you in such a good mood?
你怎么心情这么好？
Do you have some change?
你有零钱吗？
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，