麻豆精品在线久草熟女|色情一区二区三区|国产一级片国产特级片|亚州特级黄片在线免费观看|中文人妻少妇有码Av|日逼黄色毛片久久精品久久日|欧美黄色短片网站|无码在线资源黄色免费看视频|日韩无码1区2区3区|亚洲夜色在线五月天激情影院

單詞乎

valve

音標(biāo)[v?lv]
valve是什么意思、valve怎么讀

valve漢語翻譯

n. 活瓣, 閥, 活門
vt. 裝閥, 用閥調(diào)節(jié)
vi. 裝閥, 用閥調(diào)節(jié)
【化】 閥
【醫(yī)】 瓣, 瓣膜; 閥, 活門

valve詞型變化

形容詞:valveless 動詞過去式:valved 過去分詞:valved 現(xiàn)在分詞:valving 第三人稱單數(shù):valves 

valve英語解釋

名詞 valve:

  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

valve例句

  1. Composed of a single valve or piece. Used of a shell.
    單瓣的由單個瓣膜或部分組成的。用于殼
  2. The pump sucks air out (of the vessel) through this valve.
    這臺泵通過這個閥門把(容器中的)空氣抽出。
  3. We need an eye bolt to fit this valve.
    我們需要一個有眼螺栓來固定這個閥門。
  4. Have you turned off the water valve?
    你關(guān)掉水閥了嗎？
0
糾錯