[mass noun](archaic)sulphur (古)硫磺 ■(figurative)fiery or passionate feeling (喻)炽烈的感情
a bright yellow butterfly or moth 黄粉蝶,黄蛾 ■(亦作 brimstone butterfly)a European butterfly of the white family, the male of which is yellow and the female greenish-white (Gonepteryx rhamni, family Pieridae)(亦作 brimstone moth)a small yellow European moth (Opisthograptis luteolata, family Geometridae) 欧洲的鼠李粉蝶,雄性为黄色,雌性呈绿白色(拉丁名Gonepteryx rhamni,粉蝶科)欧洲黄尺蛾(拉丁名Opisthograptis luteolata,尺蛾科)
语源
late Old English brynstan, probably from bryne 'burning' + stan 'stone'