Entypy
[胚]胚层反向
🔁 扩展释义
【医】 反向(胚层)
🗣️ 情景例句
A journey of a thousand miles begins with a single step.
千里之行，始于足下。
We have a toll-free number for customers to call.
我们对顾客提供免费服务电话。
who has beenworking or worrying about serious things for six days,
为严肃的公务操劳或烦恼了6天的