I was selected to make the experiment, in order to satisfy ourselves of its feasibility.

我被选中做这个实验，是为了验证它的可行性。

We're here to satisfy ourselves that it's the correct number.

我们来这里是为了让自己确信这是正确的数字。

But we noted down what other foreign steamers would leave London with the same tide, and we satisfied ourselves that we knew the build and color of each.

但是我们记下了其他外国轮船会以同样的潮汐离开伦敦， 我们很满意我们知道每艘的构造和颜色。

In order to satisfy ourselves upon this point, it will not be necessary to enter into any tedious or doubtful calculation of what may be the lowest sum upon winch it is possible to do this.

为了在这一点上让我们自己满意，没有必要对绞车可能做到这一点的最低金额进行任何繁琐或可疑的计算。