雅思常见高频词汇
background briefing 吹风会,背景情况介绍会 bacteria 细菌 bail 保释,保释金 ballot 选票,投票 bank book 银行存折 bank failure 银行倒闭 bar code 条形码 bargain price 廉价 be responsible for one's own profit and loss 自负盈亏 be honest in performing one's official duties 廉洁奉公 beeper ...