| 单词 | beef |
| 释义 | beefbeefsbeefedbeefingbeefbeef2 verbPhrasal verbsbeef something ↔ up phrasal verb informal to improve something, especially by making it bigger or stronger: Security around the palace has been beefed up since the attack.havebebeef袭击事件发生以后﹐宫殿各处的安全措施加强了。 |
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