• 基础释义
  • 例句
  • 柯林斯词典释义
  • 英汉词典释义
  • 英英词典释义
  • 行业词典释义
例句
柯林斯高阶英汉双解学习词典释义
  • N-COUNT
    阀;活门
    A valve is a device attached to a pipe or a tube which controls the flow of air or liquid through the pipe or tube.
  • N-COUNT
    (心脏的)瓣,瓣膜
    A valve is a small piece of tissue in your heart or in a vein which controls the flow of blood and keeps it flowing in one direction only.
    例句
    He also has problems with a heart valve. 他的一个心瓣也有毛病。
英汉词典释义
  • n.
    阀, 活门, 阀门, 气门
    The exhaust valve on my car has burnt out. 我汽车上的排气阀烧掉了。 The feed-pipe is as clean as a whistle, so I’m afraid, if the oil is not getting through to the burner, the valve must be faulty. 送料管干干净净, 所以我担心要是油不通过喷嘴, 阀门一定有毛病。
    (心脏的)瓣膜
    The heart has valves to let blood flow in and out of it. 心脏有瓣膜控制血液流进流出。
英英词典释义
  • Noun
    1. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
    2. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
    3. control consisting of a mechanical device for controlling the flow of a fluid
行业词典
  • 人体组织学: 瓣[膜];
    体育: 阀门;
    动物学: 瓣;
    医学: 瓣,瓣膜;阈,活门。另见valva及valvula;
    水利: 阀门;安装在压力管道中用来控制水流的设备。;
    电力: 阀;
    解剖学: 瓣,又称:瓣(Valva(拉));
    铁道: 气门;