bob /bɒb/ star2 (bobbing,bobbed,bobs)

• 1.  

  V-I（不及物动词） If something bobs, it moves up and down, like something does when it is floating on water. 上下浮动

  例：

  Huge balloons bobbed about in the sky above.

  巨大的气球在上空上下浮动。

• 2.  

  V-I（不及物动词） If you bob somewhere, you move there quickly so that you disappear from view or come into view. 快速移动

  例：

  She handed over a form, then bobbed down again behind a typewriter.

  她递过来一张表格，又快速坐回到打字机后面。

• 3.  

  N（名词） a short abrupt movement, as of the head 点头
• 4.  

  N（名词） a hairstyle for women and children in which the hair is cut short evenly all round the head 波波短发
• 5.  

  V（动词） to cut (the hair) in a bob 剪成波波造型
• 6.  

  N（名词） [英国英语] → (formerly) an informal word for a shilling
• 7.  

  V（动词） to tap or cause to tap or knock lightly (against) 轻敲; 使轻敲
• 8.  

  N（名词） a light knock; tap 轻敲