单词	lone elec-tron pair
释义	lone elec-tron pair 孤电子对
随便看	the trade financing mechanism the trade friction the trade in pornography The trade is clogged with restrictions the trade is safe the trademark law The Trademark Position the trademark right The trademark rights the trade name rights The trade of a butcher the trade of agricultural machinery The trade of a mason the trade of Chao Gong the trade of educational service the trade of foodstuff the trade policy review mechanism the trade press The trader is always showing dishonesty the trades the trade secret The Trade Show exhibition Association The tradesman has rendered his account The tradesman was poring over his accounts the trades union congress