Yolk endoderm
[医] 卵黄内胚层
🧩 词语组成解析
yolk
[jok]
n. 蛋黄;卵黄;羊毛油脂;胚乳;
n. 内胚层\\n[医] 内胚层, 下胚层
🗣️ 情景例句
We finished addressing over three hundred envelopes.
我们写了三百多个信封地址了。
I have thrown this party.
我之所以举办这次晚会。
I have never seen the movie.
我从未看过那部电影。