Mesoderm
n. 中胚层\\n[医] 中胚层
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
No cross, no crown.
无苦即无乐。
It's big. It sells a lot of things.
商店很大。里面卖很多东西。