您要查找的是不是：
- He was on his feet again after such a long period in hospital. 住院很長一段時間他復原了。
- After a long period of rain the river may overflow its banks. 在一個長時間的降雨之後，河水會漫過河岸。
- There is a long period when we have no news of him. 有很長一段時間我們沒有得到他的消息。
- Some waste rots away over a long period of time. 有些食物要經過好長時間才會腐爛。
- Fifteen years is a long period of her life . 五十年是她一生中很長的一段。
- Long period hard work pulled him down a lot. 長期的艱苦勞動使他的身體虛弱了許多。
- China had a very long period of feudalism. 中國有很長的封建時期。
- To take back and eat for a long period of time. 帶回去慢慢吃。
- See if you can persist over a long period. 看看你能堅持多長時間。
- Aeon: An indefinitely long period of time; an age. 極長的時期;永世。
- What do you find over a long period of time? 長時間過後,您有什麼發現嗎?
- Fifteen years is a long period of her life. 五十年是她一生中很長的一段。
- Britain was a Roman dependency for a long period. 英國有很長一段時間是羅馬的屬地。
- There is long period when we have no news of him. 有很長一段時間我們沒有得到他的消息。
- An indefinitely long period of time; an age. 極長的時期；永世
- I studied under him for a long period of time. 我曾長時間受教於他。
- Pronto, a long period of time has passed at last! 彈指一揮間，漫長的一段時間終於過去了！
- She has bouts of hard work followed by long periods of inactivity. 她總是努力幹上一陣，然後一呆就是很長時間。
- A long period of worrying led to her nervous prostration. 長期的焦慮導致她的神經衰弱。
- So we think that a relatively long period of peace is possible. 所以，我們說，爭取比較長一點的和平時間是可能的。
