今天我们要学的词是severe。 Severe, 严重的，严峻的。最近美国大部分地区陷入酷暑之中。 "The elderly and the young are the most vulnerable to severe heat and humidity," 老年人和小孩子是最难以承受高温和湿热天气的人群。 "It's estimated that nearly four million people in Somalia are in danger of severe malnutrition," 据估计，索马里有将近400万人面临严重的营养不良。 "The weather service issued a severe thunderstorm warning for our area," 气象预报发出警告，说本地会有暴风雨。 好的，今天我们学习的词是severe...