| 词组 | bob |
| 释义 | bob [bobbed, bobbed, bobbing] bob up 1. bob up and down to move up and down continuously: ▪ Fans bobbed up and down, trying to get a better view of the band. 2. bob up to suddenly appear, especially after being hidden or not seen for a short time: ▪ Kelly's head bobbed up from under the table when she heard my voice. ■ SIMILAR TO: ↑pop up 3. bob up to suddenly appear and float on the surface after being under water: ▪ A duck bobbed up out of the water in front of me. 4. bob up AmE if the price or level of something bobs up, it suddenly increases a little: ▪ Gas prices bobbed up before the holiday weekend. ▪ Interest rates are expected to bob up again soon. |
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