Historetention
[医] 组织[内]贮留
🗣️ 情景例句
Sure. Where are you going?
当然。您要去哪里？
He who knows most speaks least.
懂得多的说得少。
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。