hot and humid 湿热
hot and dry 干热
hot spell 连续高温天气
heat stroke/sunstroke 中暑
heat wave 热浪
heat-related illnesses 高温病
heat-resistant 抗热的/耐热的
sauna days 桑拿天
sizzling/severe heat 酷热
scorching sun 烈日、骄阳
blistering summer day 炎炎夏日
torrid sun 灼热的太阳
sultry weather 湿热难耐的天气
heat up 升温
stiflingly hot 闷热
be bathed/soaked with sweat 汗流浃背
heat alert 高温预警
beat the heat 消暑
escape the heat 避暑