valve

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柯林斯星级

BNC频率: 5127

现代语料频率: 5952

大学英语六级考研英语托福雅思 GRE

n. 活瓣, 阀, 活门

v. 装阀, 用阀调节

n. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it

n. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone

n. control consisting of a mechanical device for controlling the flow of a fluid

n. the entire one-piece shell of a snail and certain other molluscs

复数形式:valves

过去分词:valved

a pedal that controls the throttle valve n

a valve that regulates the supply of fuel to the engine n

The air is powerfully compressed into a reservoir attached to the gun, by a condensing pump, and is controlled by a valve actuated by the trigger.

The exterior edge or border of a thing, as the border of a leaf, or the outline of a bivalve shell. n

A genus of fresh-water bivalves, having no teeth at the hinge.

今日更新

更新时间：2025-06-04 11:04:48