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

tungsten

音標['t??st?n]
tungsten是什么意思、tungsten怎么讀

tungsten漢語翻譯

n. 鎢
【化】 鎢W
【醫(yī)】 鎢(74號元素)
【經(jīng)】 鎢

tungsten詞型變化

形容詞:tungstenic 簡寫符號:W 

tungsten英語解釋

名詞 tungsten:

  1. a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite
    同義詞：wolfram, W, atomic number 74

tungsten例句

  1. A coarse-grained granite, sometimes rich in rare elements such as uranium, tungsten, and tantalum.
    花崗偉晶巖一種有時富含鈾、鎢和鉭等稀有元素的粗紋理花崗巖
  2. Even with the air pumped out the bulb, the tungsten filament slowly vaporizes.
    即使燈泡中的空氣被抽出，鎢絲也會慢慢地蒸發(fā)。
0
糾錯