bob up
phrasal verbbob up
- to come to the surface suddenly
（突然）冒出 - The dark head of a seal bobbed up a few yards away.
在几码远处一只海豹的黑脑袋猛地钻出水面。
- The dark head of a seal bobbed up a few yards away.
| 词汇 | bob up |
| 释义 | bob upphrasal verbbob up
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