Ectoblast
n. 外胚层\\n[医] 外胚层, 外膜
🗣️ 情景例句
We have to communicate with them more by sending lobbyists.
我们必须通过派遣更多的公关人员。
Wit bought is better than wit taught.
不经一事，不长一智。
He was, above all, a man who experimented:
他首先是个实验工作者，