Sdu
n. 香港特别任务连（通称飞虎队, Special Duties Unit）；[电视]信号分配装置（Signal Distribution Unit）
🗣️ 情景例句
OK. Let's talk.
好， 我们谈谈吧。
What do you think of the proposal?
你的看法如何？
He was greeted by an unpleasant smell which convinced him that I was telling the truth.
一股怪味袭来，使他相信了我说的真话。