Ectoblast
n. 外胚层\\n[医] 外胚层, 外膜
🗣️ 情景例句
My girl friend and I broke up.
我和我女朋友分手了。
I wish to express my gratitude to you for your cooperation.
我要对你的合作表达感激之意。
Sure. I'll bring it in next week.
好哇 ，我下个礼拜带过来。