Meliaceae
[植]楝科
🔁 扩展释义
【医】 │栋科
🗣️ 情景例句
Seeing as you are all so tired, we'll finish this lesson next time.
考虑到现在你们都很累了，这课我们下次接着讲吧。
He has a letter.
他有一封信。
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。