caustics signal

英 美
  • 警告信号
  • caustics n.焦散线
  • signal n.信号;标志v.(发信号)通知、表示adj.显著的
    1. Expert regard it as a warning signal of an economic smashup.
      专家们把它看作是一场经济灾难的警告信号。
    2. By smacking his tail fiat on the top of the water he can also make a loud warning signal when enemies are spotted.
      当发现有敌人时,它可以靠拍击平放在水面上的尾巴来发出响亮的警告信号。