水閘用門關(guān)住的水道的一部分，如運(yùn)河。其中通過升高或降低這部分的水位可以抬升或壓低運(yùn)輸中的船只 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.
這輛自行車沒閘--你要騎可太危險(xiǎn)了。 The bicycle has no brakes you ride it at your peril.
水流經(jīng)水閘時(shí)十分湍急。 Water went rushing through the lock gates.
他們打開水庫的閘門。 They open the sluice gates of reservoir.
