1. 通知收到邮件消息：bgplot--各种绘图仪的图像过滤器 | biff--通知收到邮件消息 | break, continue--外壳内置函数,用以中断循环

2. biff

2. 一击：biferous 开花两次的 | biff 一击 | biffin 苹果

3. 新邮件提示：161 snmp简单网络管理协议 | 512 biff新邮件提示 | 513 who收集关于用户登陆到同一子网的其他机器的广播

4. biff：binary interchange file format; 二进制交换文件格式

1. 用拳头揍
    If you biff someone, you hit them with your fist.

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    e.g. My father biffed him one on the nose.
           我父亲对着他鼻子打了一拳。

1. (boxing) a blow with the fist

    e.g. I gave him a clout on his nose

    Synonym: punchcloutpokelickslug

1. strike, usually with the fist

    e.g. The pedestrians pummeled the demonstrators

    Synonym: pummelpommel