Odbms
開放式數(shù)據(jù)庫管理系統(tǒng)
??? 情景例句
Do you have any assurance for its quality?
你們有任何品質(zhì)保證嗎？
What time are you coming back?
你什么時間回來？
How do you do? My name is Fred Smith.
您好，我是弗雷德.史蜜斯。