Anthracology
煤炭学; 煤岩石学; 煤岩学
🗣️ 情景例句
Are you ready to go?
准备好动身吗？
Kind hearts are more than coronets.
善良的心灵胜于显贵的地位。
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，