B. i.
[医] 棱底向内, 缓冲指数
🧩 词语组成解析
[医] 不旋光的
🗣️ 情景例句
It's for a book.
是为一本书拍的。
No man can do two things at once.
心无二用。
Look at the rain! It's heavy, isn't it?
瞧这雨！下这么大，是吧？