Entypy
[胚]胚层反向
🔁 扩展释义
【医】 反向(胚层)
🗣️ 情景例句
The weather during our holiday was perfect.
我们度假时天气好极了。
He didn't say anything as to where he would go.
关于他的去处他什么也没说。
The letter x stands for an unknown number.
字母x代表未知数。