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
It was love at first sight.
那是一见钟情。
Whom will you invite to the meeting?
你将邀请谁参加会议？
No, I don't think we have.
我想没有。