单词 | Tl |
释义 | Tl (once / 56824 pages) n WORD FAMILY Tl USAGE EXAMPLESThallium is a rare metal, whose atomic weight is 204.2, its symbol being Tl. Anshutz, Edward Pollock, New, Old, and Forgotten Remedies: P...(2012) Attach this piece by first binding to its extremities two strips of aluminium, or by preference very thin tinned iron, Tl and T2. Williams, Archibald, Things To Make(2010) n a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores Syn|Hyper atomic number 81, thallium 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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