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单词 tantalum
释义
tantalum
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n

WORD FAMILY
tantalum
USAGE EXAMPLES
Legislators hoped that by requiring U.S. companies to disclose purchases of tantalum, tin, tungsten and gold, the militias’ funding would dry up.
Wall Street Journal(Nov 13, 2016)
Meanwhile, about half the miners digging for tin, tungsten or tantalum ore in the Congo are working at sites covered by an industry inspection system.
Seattle Times(Oct 24, 2016)
Congo’s tin, tantalum and tungsten are used in electronics around the world.
Economist(Aug 25, 2016)
n a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
Syn|Hyper
Ta, atomic number 73
metal, metallic element
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
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更新时间:2025/1/24 8:42:37