Backward caries
[医] 逆行性龋
🧩 词语组成解析
🗣️ 情景例句
Hi.
嗨。
No man ever became thoroughly bad at once.
没有一个人是一下子就坏透的。
During a radio programme, a company of biscuit manufacturers once asked listeners to bake biscuits and send them to their factory.
有一次，在电台播放的节目里，一个生产饼干的公司请听众烘制饼干送到他们的工厂去。