warning coloration

例句：

1. 1. The warning coloration on the roadside signs is designed to alert drivers of impending danger.
   路边标志上的警告色彩是为了提醒司机即将发生的危险。
2. 2.The artist's use of warning coloration in his paintings adds a sense of urgency and drama.
   艺术家在他的画作中使用警告色彩，增添了紧迫感和戏剧性。
3. 3.The warning coloration on the packaging helps to prevent accidental spills and keeps products fresh longer.
   包装上的警告色彩有助于防止意外溢出，并保持产品更长时间新鲜。