Ilexin
冬青苷
🗣️ 情景例句
I recognize you ...
我认得你……
I hope the weather there is cold enough.
我希望那儿天气够冷。
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。