It now answers the purpose of a sumptuous lodge for the doorkeeper of the straits of the Sound, before which every year there pass fifteen thousand ships of all nations.

现在，它满足了为海峡海峡的看门人提供豪华住所的目的，每年都有来自各国的一万五千艘船只经过该海峡。

I could not afford to buy an equatorial, and I have been obliged to rig up an apparatus of my own devising, so as to make it in some measure answer the purpose of an equatorial.

我买不起赤道仪， 我不得不组装自己设计的仪器， 以使其在某种程度上满足赤道仪的用途。