Levulorotation
[光]左旋
🗣️ 情景例句
You know him?
你认识他吗？
No man is born wise or learned.
人非生而知之。
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。