suī / rán / hóng / jù / xīng / kàn / qǐ / lái / hěn / liàng / dàn / tā / de / biǎo / miàn / wēn / dù / qí / shí / bìng / bù / gāo

虽然红巨星看起来很亮，但它的表面温度其实并不高。

Although red giant stars look very bright, their surface temperature is actually not high.