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
Oh, I was sorry
噢 ，我很难过
What's been the consumer reaction to your product?
消费者对你们的产品有过什么反映？
Fine, thanks. Oh, That's the bell. Everyone is going into class, we'd better go too.
很好，谢谢。啊，铃响了。大家都去上课。我们最好也去。