2017年10月份天气预报:翻译句子！英语好的来！中译英！

1.When I was at work on my term paper,my younger sister ran upstairs and rushed into my room.

2.In the western,people always send away for products,because it can save them a lot of time.

3.The old always find out that,in modern society,no matter how hard they try,it is difficult to hold back the young to change.

1. 我正在认真地写学期论文（term paper）的时候，我的小妹妹连蹦带跳地上了楼，冲进我的房间。（at work on..）
I was absorbed at work on my term paper when my younger sister ran upstairs by leaps and bounds, and rushed into my room.
2. 在西方，人们常常邮购商品，这可以节省许多时间。（send away for)
In the West, people often send away for products as it can save them a lot of time.
3. 老一辈的人往往发现，在现代社会，不论他们如何努力，要阻挡青年人发生变化是困难的。（hold back)
The old generation sometimes find it difficult to hold the young back from changing in the modern society, however hard they may try.