Ectoblast
n. 外胚层\\n[医] 外胚层, 外膜
🗣️ 情景例句
Where can I put the coin?
硬币要放在哪儿？
What is happening down there?
下面发生什么事情？
Our TV set was broken last week. He mended it for us.
上星期我们的电视机坏了。他为我们修好了。