今天我们要学的词是heat wave。 Heat wave, 热浪，高温天气。 "A heat wave is sweeping the Northeastern region of the United States," 美国东北部地区普遍出现高温天气。 "The heat wave could be a record-breaker," 这次高温天气有可能刷新历史记录。 "It's best to limit outdoor activities during the heat wave," 高温天气，最高尽量减少室外活动。 "Cooling centers are open in many areas as the heat wave intensifies," 随着高温天气不断加剧，很多地方都开放了避暑中心。 "The heat wave is expected to continue throughout the week," 高温天气估计本周内一直会继续下去。好的，今天我们学习的词是heat wave...