Hematoblastic
a. 血小板的, 血胚细胞的
🗣️ 情景例句
What did you tell Grandpa?
那你是如何对爷爷说的呢？
The best fish swim near the bottom.
好鱼游水底。
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。