Scorbutic ulitis
[醫] 壞血病齦炎
?? 詞語組成解析
a. 壞血病的, 患壞血病的\\nn. 壞血病患者
齦炎
??? 情景例句
Sometimes he's very sad.
他有時很憂悒。
Sorry, but she's busy then too.
對不起，那會兒她也沒空。
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，維持生命的行星就要在離恒星很近的軌道上運行，而且要有極好的條件才能使生命得以發展，