B 开头单词
by all odds 远远地
by all means 一定，务必；尽一切办法
by all accounts adv. 据大家所说
by airplane 搭飞机
by air mail 寄航空邮件
by air 乘飞机；通过航空途径
by agreement 约好
by age 按照年龄
by accident 偶然；意外地
by absolute necessity [航空、航天科学技术]因绝对需要
by a wide margin 广泛的回旋余地
by a stroke of luck 出于运气 侥幸的是
by a nose 几乎；以些微之差
by a neck 差一点输胜
by a narrow margin 比分相差不大地
by a miracle 依靠奇迹 奇迹般地
by a long shot 不顾一切 绝对 远远