| 释义 |
| | | | VERB | | | | | /bɒb/ | | | | | 1 | to move up and down with short regular movements, especially on water that is rising and falling （尤指在起伏的水面上）上下摆动 | bob up and down The little boat bobbed up and down on the waves. 小船在波浪上颠簸着。 | | | | | 2 | BRITISH to curtsy | | PHRASE | | - | bob your head
| | to move your head down and then back up again in a short quick movement as a way of greeting someone or showing agreement or respect | | 点头（表示问候、同意或尊敬） | | | | | | PHRASAL VERBS | | - | ˌbob ˈup | | PHRASAL VB | | | | | to move up and come into view with a short quick movement 突然出现 | A head bobbed up from behind the fence. 一个脑袋突然从栅栏后面冒出来。 | | | |