Primordium
n. 原基\\n[医] 原基, 始基
🗣️ 情景例句
What's up?
什么事？
This is a receipt.
这是一张收据。
He had known that it was not safe to travel alone in the forest near the coast.
也听说过独自一人在海边的森林里走是不安全的。