Ectoderm
n. 外胚层, 外层\\n[医] 外胚层
🗣️ 情景例句
Does this car have good fuel economy?
这种车省油吗？
He devoted his life to promoting world peace.
他一生致力于促进世界和平。
You can stretch your legs on the spacious decks, play games, meet interesting people and enjoy good food --
你可以在甲板上伸展四肢、做游戏，还能也很见到各种有趣的人，能享用各种美味佳肴——