Ectoderm
n. 外胚层, 外层\\n[医] 外胚层
🗣️ 情景例句
What's the starting salary in your company?
在你的公司底薪是多少？
Out of sight, out of mind.
久违情疏。眼不见，心不烦？
There is a table in the middle of the room.
房间的中央有张桌子。