Medullary triangle
[医] 内囊
🧩 词语组成解析
a. 骨髓的, 髓质的, 延髓的\\n[医] 髓的, 髓状的
🗣️ 情景例句
About eight o'clock?
差不多八点钟好吗？
Don't criticize him for his delay.
不要责备他的延误。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。