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- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- Jane's performance will be impressed upon my memory for a long time. 简的表演将会在我的记忆中留下长久的印象。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- It took him long time to smooth away perplexities. 他花了好长时间才消除了困惑。
- My explanation took a long time to sink in. 我的解释很久才被人理解。
- That cut is taking a long time to heal. 那伤口要很长时间才能愈合。
- He foresaw that the job would take a long time. 他预见到做这件工作需要很长时间。
- They've been dating for a long time. 他们一直频频约会。
- I haven't set eyes on her for a long time. 从那以后，我再也没见过她。
- It took a long time for him to repair his health. 他过了好长时间才恢复健康。
- For a long time his fate hung in the balance. 他的命运很久未能确定。
- The excavation of the buried city took a long time. 发掘埋在地下的城市花了很长时间。
- I haven't met her in a long time. 我好长时间没有遇见她了。
- The lake was ponded by lavas a long time ago. 这条湖是很久以前熔岩堵塞河道形成的。
- She has been ailing for a long time. 她已病了好久了。
- Acrobatics takes a long time to learn. 杂技要用很长时间学习。
- The excavation of the bur city take a long time. 发掘埋在地下的城市花了很长时间。
- It took a long time to get to the core of the affair. 花了很长时间才抓住这件事的要害。
- I don't know him well though I've known him for a long time. 我对他并不了解，虽然我认识他已经很长时间了。
- It licked me to think they had been hid away for such a long time. 我真不明白它们怎么会被隐藏了这么久。
