bob
柯林斯词典
1. V-I If something bobs, it moves up and down, like something does when it is floating on water. 上下浮动
Huge balloons bobbed about in the sky above. 巨大的气球在上空上下浮动。
2. V-I If you bob somewhere, you move there quickly so that you disappear from view or come into view. 快速移动
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 a short abrupt movement, as of the head 点头
4. N a hairstyle for women and children in which the hair is cut short evenly all round the head 波波短发
5. V to cut (the hair) in a bob 剪成波波造型
6. N [英国英语] →(formerly) an informal word for a shilling
7. V to tap or cause to tap or knock lightly (against) 轻敲; 使轻敲
8. N a light knock; tap 轻敲
返回 bob
bob /bɒb/ (bobbing,bobbed,bobs)
剑桥词典
- [ 不及物动词：后面不接宾语的动词 ]
to move up and down quickly and gently , especially on the surface of water
（尤指在水面上）轻轻地快速上下晃动
In the harbour , the boats bobbed gently up and down on the water . 港口里的船只在水面上轻轻地上下晃动。
[ 不及物动词：后面不接宾语的动词 经常 后面必须接副词或介词的动词, 及物动词：后面接宾语的动词 ]
to move quickly in a particular direction
（朝特定方向）快速移动
I dropped the bottle into the water and watched it bob up to the surface a moment later . 我把瓶子丢进海里，观察到它一会儿又浮到水面上来了。
Suddenly a head bobbed up from behind the hedge . 突然从树篱后面冒出一个头来。
She bobbed a curtsy (= bent down from the knees briefly as a sign of respect ) to the Queen. 她向女王行了个屈膝礼。 返回 bob