Expert regard it as a warning signal of an economic smashup. 專(zhuān)家們把它看作是一場(chǎng)經(jīng)濟災難的警告信號。
By smacking his tail fiat on the top of the water he can also make a loud warning signal when enemies are spotted. 當發(fā)現有敵人時(shí),它可以靠拍擊平放在水面上的尾巴來(lái)發(fā)出響亮的警告信號。