Bgn
abbr. 地名委员会（board on geographic names）
🗣️ 情景例句
I do.
我愿意。
Can you spot me?
你能先帮我垫一下吗？
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。