Bndd
abbr. 麻醉品和危险药品管理局（Bureau of Narcotics and Dangerous Drugs）
🗣️ 情景例句
we need to put together volunteers
我们需要募集义工
I want to thank you for inviting us to such an enjoyable Christmas party.
我对邀请我们出席这样一个快乐的圣诞晚会表示感谢。
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。