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
You've got it.
你对了。
Please excuse me for a little while.I want to do something.
请等我一会儿时间，我要做点事。
'You needn't have said that,' my wife answered.
“你没必要这么说，”我妻子回答说，