Backward caries
[医] 逆行性龋
🧩 词语组成解析
🗣️ 情景例句
We've always lived in this area.
我们一直住在这个地区。
The nearer the bone the sweeter the flesh.
骨肉越亲，恩情越深。
But so far, the public has expressed its gratitude to the students in letters to the Press.
但到目前为止，公众已经向新闻界写信表达他们对学生们的感激之情了。