luǎn qīng / zài / jiā rè / hòu / huì / níng gù / yán sè / yě / huì / yóu / tòu míng / biàn chéng / bái sè卵清在加热后会凝固,颜色也会由透明变成白色。Egg white coagulates when heated, and its color changes from transparent to white.