Polygala alba nutt.
[医] 白远志
🧩 词语组成解析
n. [植]远志
[医] 脑白质
🗣️ 情景例句
That's easy.
这很容易。
Hang up one's fiddle when one comes home.
在外谈笑风生，在家闷闷不乐。
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，