英语词汇“tungsten”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

tungsten

/ˈtʌŋst(ə)n

noun [mass noun]

The chemical element of atomic number 74, a hard steel-grey metal of the transition series. It has a very high melting point (3410°C) and is used to make electric light filaments. (Symbol: W) Kyrgyzstan has deposits of gold, coal, bismuth, mercury, antimony, tungsten, and copper....

While most bullets have been jacketed with copper-zinc alloy, a variety of other hard metals, including tungsten, have been used.
The metals tungsten and copper both exhibit very high ductilities.

Origin

Late 18th century: from Swedish, from tung 'heavy' + sten 'stone'.

单词	tungsten
释义	tungsten /ˈtʌŋst(ə)n / noun [mass noun] The chemical element of atomic number 74, a hard steel-grey metal of the transition series. It has a very high melting point (3410°C) and is used to make electric light filaments. (Symbol: W) Kyrgyzstan has deposits of gold, coal, bismuth, mercury, antimony, tungsten, and copper.... While most bullets have been jacketed with copper-zinc alloy, a variety of other hard metals, including tungsten, have been used. The metals tungsten and copper both exhibit very high ductilities. Origin Late 18th century: from Swedish, from tung 'heavy' + sten 'stone'.
随便看	downhill downhiller downhole down-home Downing Street down in the mouth downland downlevel downlight downlighter downlighting downlink download downloadable downloader down-low downmarket downmost down on one's luck down payment downpipe downplay downpour downrange downrate