Chondroectoderm
[医] 软骨外胚层
🗣️ 情景例句
I'm going back to my office.
我要回办公室了。
The dainties of the great are the tears of the poor.
大人物的美味是穷人的眼泪。
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。