Qd
abbr. 俯角（Quadrant Depression）；军需申请（Quartermaster Demand）
🗣️ 情景例句
He is in a good mood.
他的心情很好。
He has come to be recognized as an expert in the problem of overpopulation and food supply.
由于他的经验促使他终于成为了公认的人口过剩和食物供应问题的专家。
You're not busy doing anything, are you?'
你不忙，是吗？”