Mesendoderm
[医] 中内胚层
🗣️ 情景例句
You're in sad condition.
你的健康很成问题。
It won't fit; you'll have to go to the post office.
那不行，你必须去邮局才行。
Open the door, please, Lucy. Lily, is she opening the door?
露茜，请把门打开。莉莉，她在开门吗？