Blastodermic ectoderm
[医] 胚盘外胚层
🧩 词语组成解析
胚层的, 胚盘的
n. 外胚层, 外层\\n[医] 外胚层
🗣️ 情景例句
Excuse me, ma'am. Ticket, please.
对不起， 太太 ，车票请拿出来看一下。
By the time we got there,the play had already begun.
等我们到那里，戏已经开始了。
Happy birthday! said Polly, and gave Ann her present---a red feather.
“生日快乐！”波利说，然后给安送礼物--一根红羽毛。