The database could be used as a teaching resource in colleges.
數據庫可以用作大學里的一種教學輔助手段。
You used to see a lot of her, didn't you?
你過去常見她吧？
They had got too used to the soft life at home.
他們實在是過慣了家里的安逸生活。
I used a long exposure for this one.
我這張照片用的曝光時間長。
I read much less now than I used to.
我現在看的書比過去少得多。
Am I right in thinking that you used to live here?
我想你過去在這里住過，對嗎？