🧩 词语组成解析
[医] 蛙属
🗣️ 情景例句
Why?
为什么？
Reading makes a full man.
读书长见识。
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，