primer
noun uk/ˈpraɪ.mər/ us/ˈpraɪ.mɚ/
(PAINT)
[ C or U ]底层涂料;底漆
a type of paint that you put on a surface before the main paint is put on
It's best to use a coat of primer before the top coat. 最好在刷表面漆前先刷一层底漆。
(MAKE-UP)
[ C or U ]妆前乳
a type of make-up that you put on your face under other make-up to make it go on more smoothly and last longer
Primers are used under foundation to keep your make-up in place for hours. 在粉底前使用妆前乳可以让妆容保持数小时。
(BOOK)
[ C ] old-fashioned /ˈprɪ.mɚ/入门书，初学者读物
a small book containing basic facts about a subject, used especially when you are beginning to learn about that subject