| 单词 | valve |
| 释义 | valve (once / 811 pages) 1n 2n WORD FAMILY valve: bivalve, valvelet, valves, valvular+/bivalve: bivalves USAGE EXAMPLESBellevue gaming giant Valve is nearly doubling its downtown presence, leasing nearly a third of the new Lincoln Square office tower. Seattle Times(Jan 01, 2017) One of her heart valves was not opening. Washington Times(Jan 01, 2017) A doctor advised the 26-year-old to seek heart valve surgery in the nearest major city, 200 miles away. Los Angeles Times(Dec 30, 2016) 1 1n control consisting of a mechanical device for controlling the flow of a fluid Hypo|Hyper accelerator, throttle, throttle valve a valve that regulates the supply of fuel to the engine ball valveany valve that checks flow by the seating of a ball butterfly valvea valve in a carburetor that consists of a disc that turns and acts as a throttle chokea valve that controls the flow of air into the carburetor of a gasoline engine clack, clack valve, clapper valvea simple valve with a hinge on one side; allows fluid to flow in only one direction exhaust valvea valve through which burned gases from a cylinder escape into the exhaust manifold intake valvea valve that controls the flow of fluid through an intake poppet, poppet valvea mushroom-shaped valve that rises perpendicularly from its seat; commonly used in internal-combustion engines escape, escape cock, escape valve, relief valve, safety valvea valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level slide valvevalve that opens and closes a passageway by sliding over a port automatic chokea choke that automatically controls the flow of air to the carburetor control, controller a mechanism that controls the operation of a machine 2n a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it Hypo|Hyper cardiac valve, heart valve a valve to control one-way flow of blood valvelet, valvula, valvulea small valve ileocecal valvevalve between the ileum of the small intestine and the cecum of the large intestine; prevents material from flowing back from the large to the small intestine atrioventricular valveeither of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium semilunar valvea heart valve with cusps shaped like half-moons; prevents blood from flowing back into the heart anatomical structure, bodily structure, body structure, complex body part, structure a particular complex anatomical part of a living thing 3n device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone 2Hyper device an instrumentality invented for a particular purpose 1n the entire one-piece shell of a snail and certain other molluscs Hyper shell the hard largely calcareous covering of a mollusc or a brachiopod 2n one of the paired hinged shells of certain molluscs and of brachiopods Hyper shell the hard largely calcareous covering of a mollusc or a brachiopod |
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