But Celera was working even faster than expected and by the end of 1999 it was clear that the company might complete its own draft by mid 2000.是什么意思_But Celera was working even faster than expected and by the end of 1999 it was clear that the company might complete its own draft by mid 2000.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句