Translation of "Flow" in Chinese

The immigrants entered the country in a steady flow.

移民川流不息地进入这个国家。

What fills the heart, will flow over from the mouth.

心裡所想的會從嘴說出來。

Though tears may flow down your face, I won't look back.

任凭眼泪在你脸上滑过，我头也不回

The flow of the water was strong enough to wash away the bridge.

水流的强力把桥给冲垮了。