Sidesman
n. 教会副执事
🗣️ 情景例句
A lot of people come to openings
许多人参加开幕仪式
I usually read a book to kill time.
我通常用看书来消磨时间。
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。