| 单词 | vigilance |
| 释义 | vigilance nounadjective | verb + vigilance | preposition | phrases adjective➤constant, continued, eternal时刻警惕；始终警觉▸➤extra, heightened, increased格外的警觉；加强的警戒；增强的戒备◆you should exercise extra vigilance about locking your car.你应该特别留心把车锁好。verb + vigilance➤exercise, increase, maintain实行警戒；增强警戒；保持警惕▸➤relax放松警惕◆the birds cannot afford to relax their vigilance against predators.鸟儿不敢放松对天敌的警戒。➤require需要警惕preposition➤vigilance against对⋯的警惕◆vigilance against shoplifters对商店扒手的警惕➤vigilance on the part of sb某人的警惕◆guaranteeing the safety of students requires continued vigilance on the part of teachers.要确保学生安全，教师需时刻保持警惕。phrases➤a need for vigilance需要警惕☞ vigilant vigilancen [c] |
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