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
I never really thought about being a mother as a career.
我真的从来没有想到做母亲还是一种事业。
Don't be afraid.
不用担心！
Excuse me. Is there a police-station near here?
请问，附近有警察局吗？