alert

• He thought of the patrol, and the quick fear it roused made him alert again .
  他想起了这趟侦察任务，顿时感到不寒而栗，头脑也清醒了过来。
• The operator is alerted to this situation by blinking front-panel indicators .
  面板上的指示器将出现闪光，对操作者发出出现这种情况的警告。
• The police throughout the district were alerted as it was known that the prisoner had escaped .
  全地区的警察一得知囚犯已逃跑，立刻警戒起来。
• An alert pharmacist will save a doctor from his own mistake by querying a prescription .
  警惕性很高的药剂师对处方提出疑问而避免了医生的错误。
• For the time being in the interest of national safety we are declaring a state of yellow alert .
  目前为了国家安全起见，我们宣布全国处于空袭预备警报状态。
• Designers and contractors should be alert to constant innovations in bridge design and construction methods .
  设计者和承包商们要注意桥梁设计和施工方法的不断革新。
• There we found two sets of double tanks waiting for us, lowered by our alert shipmates .
  在那里找到了两套专为我们准备的复式空气桶，这是我们机灵的同船水手放下来的。
• When enough cholesterol has been made, a sensing mechanism alerts the cell to turn off this enzyme .
  当制造的胆固醇够用了，有个自动检测机制就告诉细胞将这个酶关掉。
• A battalion of combat-hardened public-relations officers stood on red alert twenty-four hours a day .
  一营久经战阵的新闻发布官也接到命令，二十四小时都处于紧急戒备状态。
• The alert reader will notice that all of the above features are essentially standard for all fdc's .
  细心的读者将会注意到，对于所有的FDC来说，上述所有特点基本上都是标准的。