Ucas
(uca 的復數) abbr. upper control area 上部控制區
??? 情景例句
Will your family be attending the graduation ceremony?
你的家人要來參加你的畢業典禮嗎？
If you buy that home,will you spend the rest of your life there?
如果你買那住宅，你將在這里過余下的日子嗎？
I've never laughed so much in all my life.
我這一生還從來沒有笑得這樣開心過呢。