They regulate the flow of water by the sluice gate.

他们用水闸门控制水的流量。

youdao

As soon as the sluice gate was opened, the water surged in.

水闸门一开，水便一下子涌了出来。

youdao

As soon as the sluice gate was opened, the water surged in.

水闸门一开，水便一下子涌了出来。

youdao