“boron”的概念、定义、翻译、参考文献-科学参考

单词	boron
释义	boron [`bȯ´rän] ^CHEMISTRY A chemical element, symbol B, atomic number 5, atomic weight 10.811; it has three valence electrons and is nonmetallic.
随便看	deck charge Deck effect deck erection deck fitting deck height deckhouse decking deckle deckle edge deckle rod deckle strap deck light deck line deck loading deck log deck machinery deck roof deck stringer plate deck switch deck truss deckzelle declaration declarative macroinstruction declarative statement declinate

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