请帮我翻译句子

1.大会报告人原来是我的意味老朋友的女儿 to turn out

2.尽管他已经退休5年了，但他在学术界依然很活跃 to remain active in

3.如果确实在经济上有困难，你可以申请学生贷款 to apply for

4.这位科学家研制这种新材料达10年之久才有了突破 to make one's own way

5.世界上主要的几家飞机研造公司正竭力制造飞得更快，更远的飞机，以争得更的 市场 to push the envelope

PS: 一楼的就没有必要去看了，二楼的也还存在不少的问题。下面是我的翻译：

1.大会报告人原来是我的意味老朋友的女儿 to turn out

The speaker of the general meeting turned out to be the daughter of one of my old friends.

2.尽管他已经退休5年了，但他在学术界依然很活跃 to remain active in

Although it has been five years since he retired, he still remains active in the academic circle.

3.如果确实在经济上有困难，你可以申请学生贷款 to apply for

If you really have difficulties in finance, you can apply for the student loans.

4.这位科学家研制这种新材料达10年之久才有了突破 to make one's own way

The scientist made his own way after developing this new kind of material for ten years.

5.世界上主要的几家飞机研造公司正竭力制造飞得更快，更远的飞机，以争得更的市场 to push the envelope

Several leading aircraft making companies in the world are pushing the envelope to make planes that can fly faster and further in order to win more markets.

1The reporter of the meeting turned out to be the daughter of my old friend.

2Although it is five years since he retired, he remains active in arts.

3If you have financial problems, you can apply for academic loans.

4The scientis make his own way after ten years' hard-working on the new material.

5The main aeroplane-making compaines are trying their best to make planes fly quicker and further in order to own a bigger market.

1.Key speaker is to turn out a girl who is my friend' daughter

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