Epithelial ectoderm
[医] 上皮外胚层
🧩 词语组成解析
epithelial
[ˌepɪ'θi:lɪrl]
adj. 上皮的，皮膜的;
n. 外胚层, 外层\\n[医] 外胚层
🗣️ 情景例句
I don't usually listen to the weather. They never get it right!
我不怎么听天气预报。他们总报不准。
Quick! Seize that child before she falls down.
快！趁还没掉下去，快抓住那孩子。
It took a very long time to carve a page for a book.
刻一页书要花费的时间太长。