They set him an excellent example of useful work and decent living.

他们给华盛顿展现了什么是有用工作和体面生活。

So, lots of useful work done. So let's look at some new targets.

完成了很多有用的工作。那么，看看新的目标。

I heard that an English scientist had done some useful work, so I decided to go to England.

我了解到有个英国科学家已进行了一些有价值的工作, 于是决定去英国。

He was going to do good and useful work in India.

他打算在印度从事有益的工作。

Gibbs was interested in the amount of energy in a system that was available or free to do useful work.

吉布斯对系统中可用或免费做有用功的能量感兴趣。

According to the Center for Strategic and International Studies, about three quarters of the energy we use to move things, including ourselves, accomplishes no useful work.

据战略和国际研究中心所说，我们用来移动事物包括我们自己的能量中，有四分之三没有被完全使用。

Entropy helps make chemical reactions possible, and it helps us predict how much useful work can be extracted from a reaction.

熵有助于使化学反应成为可能，它可以帮助我们预测可以从反应中提取多少有用的功。

Yes, I worked as a secretary in a lawyer's office as a summer job, primarily to earn some money to see me through college, but I also gained some useful work experience into the bargain.

是的，暑期我在一家律师事务所当秘书，主要是为了挣点钱供我读完大学， 但我也通过讨价还价获得了一些有用的工作经验。

It has generally been confined to what was necessary for paying competent salaries to the governor, to the judges, and to some other officers of police, and for maintaining a few of the most useful public works.

它通常仅限于向州长、法官和其他一些警察支付合格薪水以及维持一些最有用的公共工程所必需的东西。