Blastodermal
[医] 胚盘的, 胚层的
🗣️ 情景例句
What are you majoring in?
你主修什么专业？
It is not work that kills, but worry.
劳动不伤人，忧虑才伤人。
They had just had enough time to swim out of danger when the boat again completed a circle.
他们刚刚来得及游出危险区，快艇就又转完了一圈。