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n. 三和音；三个一组；三价元素
adj. 挖有沟槽的；有防护堑壕的 | v. 掘...
It gave rise to a new lexicon: swinging chad, hanging chad, tri-chad, pregnant chad and dimpled chad--a "chad" being the bit of paper that did not fully detach when the voter punched a selection.
FORBES: Hand Recount May Tip Election To Gore
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。