Extraembryonic mesoderm
[医] 胚外中胚层
🧩 词语组成解析
a. 胚胎外的
n. 中胚层\\n[医] 中胚层
🗣️ 情景例句
Will you come over to help me with the tough job?
您能否来帮助我做这项艰苦的工作？
When the fruit is scarcest, its taste is sweetest.
物以稀为贵。
It's a clock.
一只钟。