homesickness 和nostalgia 有什么具体感情上的区别?

homesickness 和nostalgia 有什么具体感情上的区别? 请帮忙翻译：One must recognise that homesickness is natural. As a freshman,how to beat homesickness?用英语作答 we're feel lonely emotionally which lead to heavy homesickness.　这句话语法什么的有错误吗? 求翻译: The letter from his parents set off a sense o求翻译:The letter from his parents set off a sense of homesickness. 一道高中英语选择题(_What's wrong )_What's wrong with her?_A letter from her home _____ her feeling of homesickness.A.put offB.took offC.set offD.ran off为什么? 非谓语动词单选一道Eyes _____,I see the moon so bright; Head _____,in homesickness I am drowned.A.raising; bending B.raising; bent C.raised; bending D.raised; bent 急Cloze完型填空Homesickness is very common among students away from home — even those who had previously been away at overnight camp or traveled far away. There is a difference __1__ being away from home for 8 weeks and being gone for 8 months Homesickness is very common among students away from home — even those who had previously been away at overnight camp or traveled far away.There is a difference __1__ being away from home for 8 weeks and being gone for 8 months.There is also a diff *和^, 和 和 “和” >和 和 和 和 和