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
It's extremely good of you to do this for me.
你帮我做了这件事，真是太好了。
As a senior, Peter is writing his thesis.
作为大学四年级学生，彼得正在写毕业论文。
What a stupid idiot!
真是白痴一个！