Ectoderm
n. 外胚层, 外层\\n[医] 外胚层
🗣️ 情景例句
The company went broke.
这家公司破产了。
A life without a purpose is a ship without a rudder.
人生无目的，犹如船失去了舵。
Yes, please. This is Bill here. Is that Mrs Read?
是的，劳驾了。我是比尔。你是里德夫人吗？