Gcc
abbr. 海湾合作委员会（Gulf Cooperation Council）
🗣️ 情景例句
Why, I didn't know that your grandfather was born in Germany.
你看 我竟然不知道您的爷爷出生在德国。
In case of fire, keep your head.
万一发生火灾，保持镇定。
Yes. What is it?
有。什么事？