1. 某些證據(jù)表明“快速眼動睡眠”可能是大腦長期適應生活經(jīng)驗形成的。
   Some evidence suggests that Rapid Eye Movement Sleep may be a time when the brain adapts to life experiences.
2. 快速巡邏艇迅即趕上那艘舊貨船。
   The fast cruiser soon overhauled the old cargo boat.
3. 如果我們想準時到達那里，我們最好加快速度。
   We'd better speed up if we want to get there in time.
4. 問題是世界人口正在快速增長。
   The problem is the world population is growing fast.

快的英語翻譯：

速的英語翻譯：