“titanium”的概念、定义、翻译、参考文献-科学参考

单词	titanium
释义	titanium [tī`tā·nē·ǝm] ^CHEMISTRY A metallic transition element, symbol Ti, atomic number 22, atomic weight 47.90; ninth most abundant element in the earth's crust; insoluble in water, melts at 1660°C, boils above 3000°C. ^METALLURGY A lustrous, silvery-gray, strong, light metal that is hard and brittle when cold, malleable when heated, and ductile when pure; used in the pure state or in alloys for aircraft and chemical-plate metals, for surgical instruments, and in cermets, and metal-ceramic brazing.
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