Sio
abbr. satellite in orbit 轨道卫星; serial input/output 因特网特别组织; staged in orbit 已进入轨道
🗣️ 情景例句
I have to return this book to the library.
我得把书还回图书馆了。
I really should be on my way.
我真的该告辞了。
Big Ben has rarely gone wrong.
“大本”钟极少出差错。