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
Off-season clothes are usually sold at very attractive prices.
换季衣服的售价通常挺吸引人。
Scum of society.
社会败类。
At the moment, they cover every inch of floor space and I actually have to walk on them to get in or out of the room.
这会儿，书把地板的每一点空隙都占据了，我实际上是踩着这些书进出房间的。