primer
US
UK primer n: (base coat of paint) (绘画)
SC 底色 dǐ sè
You need to use a primer first on bare wood.
primer n: (children's reading book)
SC 儿童读本 ér tóng dú běn
TC 兒童讀本
TC 兒童讀本
SC 识字用书 ér tóng dú běn，shí zì yòng shū
Primers from the 19th century had hardly any pictures.
primer n: (introductory textbook)
SC 入门书 rù mén shū
TC 初級
TC 初級
SC 初级读物 rù mén shū，chū jí dú wù
Can you recommend a good primer on auto mechanics?
primer n: (explosive, firearm: detonator)
SC 导火线 dǎo huǒ xiàn
TC 導火線
TC 導火線
SC 雷管
Small firearms usually use primers composed of shock-sensitive chemicals.
fuel primer n: (pump for priming an engine)
SC 启动注油阀
SC 启动注油器