Chorionic ectoderm
[医] 绒[毛]膜外胚层, 滋养层
🧩 词语组成解析
[医] 绒[毛]膜的
n. 外胚层, 外层\\n[医] 外胚层
🗣️ 情景例句
How long does it take?
要花多久时间？
Knowledge is long, life is short.
吾生有涯，而知无涯。
She spelled out for me the things that the teachers taught.
教师所教的东西，她都为我拼写出来。