BB cream
noun [ C or U ] uk/ˈbiː.biː ˌkriːm/ us/ˈbiː.biː ˌkriːm/
BB霜，打底霜，遮瑕霜，隔离霜（BB是blemish balm 或 beauty balm 的缩写）
a type of light, thin foundation (= make-up that is spread on the skin of the face to make its colour more even and to hide unwanted marks). BB is short for "blemish balm" or "beauty balm".