watchkeeping

英['wɒtʃkiːpɪŋ] 美['wɒtʃkiːpɪŋ]
  • 警戒
  • rewind v.倒带;转回;重绕n.倒带装置;重绕
  • watch v.注视;看守;观看n.手表;监视;看守;值班