We built a raft to cross the river.

我们建了一只木筏来渡河。

He was frustrated in an attempt to cross the river.

他试图渡河,但没能成功.

I go on a ropeway to cross the river to school.

我乘索道过河去上学。

Tchang hopped on the dragon's back in order to cross the river.

昌跳上龙的背以便过河。

So these students go on a ropeway to cross the river to school.

所以这些学生乘坐索道过河去上学。

The river cross the entire city.

这条河贯穿整个城市。

We took a hovercraft to cross the river.

我们乘坐气垫船过河。

The ferryboats cross the river every hour.

渡船每小时横渡一次这条河。

We can cross the river using this bridge.

我们可以从这座桥上穿越河流。

The workers built a pontoon to cross the river.

工人们建了一座浮桥过河。