Tetrablastic
[医] 四胚层的
🗣️ 情景例句
It's a book of pictures.
这是一本摄影集。
Can I take my vacation, sir? I would like to see my mother in Miami.
头，我可以休假吗？我要去探望在迈阿密的母亲。
which we may call respectively the tough and the gentle.
我们分别称之为强硬法和温柔法。