Marine construction technology like this is very complex, somewhat analogous to trying to build a bridge under water.

像这样的海洋建筑技术非常复杂，有些类似于尝试在水下建筑一座桥。

It was challenge for the locals back then to build a bridge was strong enough to withstand the current of the Yellow River.

建一座足够坚固的桥来抵挡黄河的水流在当时对当地人来说是一种挑战。

We can build a bridge over the river.

我们可以在河上建一座桥。

We need to build a bridge to the future.

我们要建立一座通往未来的桥梁。

Build a bridge.

建一座桥。