n.启门；开启

A section of a waterway, such as a canal, closed off with gates, in which vessels in transit are raised or lowered by raising or lowering the water level of that section. 水闸用门关住的水道的一部分，如运河。其中通过升高或降低这部分的水位可以抬升或压低运输中的船只

The removal of the government's official limits on pay increases has opened the flood gates for a rush of demands for higher wages. 政府取消了对加薪的官方限制，这就是为骤然而来的要求增加工资的潮水打开了闸门。

Water went rushing through the lock gates. 水流经水闸时十分湍急。

They open the sluice gates of reservoir. 他们打开水库的闸门。