今天我们要学的词是travel alert. Travel alert 旅行警告。The U.S. State Department issued a travel alert warning its citizens to avoid traveling to Pakistan. 美国国务院发布旅游警告，告诫美国公民不要前往巴基斯坦。The travel alert said that the presence of several foreign and indigenous terrorist groups posed a potential danger to U.S. citizens throughout Pakistan. 旅游警告里说，几个外国和本土恐怖组织的存在在巴基斯坦各地对美国公民的安全构成威胁。好的，今天我们学习的词是 travel alert, travel alert, travel alert...