"润色妆前乳"在英语中可以称作"primer"。这个词源于拉丁语"primarius"，意思是"第一"或"主要的"。
例句：
I always use a primer before applying my foundation to make sure my makeup stays in place all day.
(我每次化妆前都会用润色妆前乳，以确保我的妆容一整天都不会脱落。)
This primer has a matte finish and helps to minimize the appearance of pores.
(这款润色妆前乳带有哑光效果，能够有效收缩毛孔。)