tiān / qì / tài / rè / le / tā / de / é / tóu / shàng / hěn / kuài / mào / chū / le / yì / céng / hàn / zhū / zi

天气太热了，他的额头上很快冒出了一层汗珠子。

It was so hot that beads of sweat quickly appeared on his forehead.