Ectomesoblast
[胚]外中胚叶
🔁 扩展释义
【医】 外[胚层原]中胚层
🗣️ 情景例句
Bicycle theft is on the increase in the big cities.
大城市里盗窃自行车的案件与日俱增。
I was about to leave.
我正要出门。
Oh?why not?
哦，为什么？