primer英英释义-旧词语

首页英语词典primerprimer英英释意

primer

英['praɪmə] 美['praɪmɚ]

英英释义实用场景例句

n. 初级读本；识字课本；原始物

英英释意

1. an introductory textbook

2. any igniter that is used to initiate the burning of a propellant

3. the first or preliminary coat of paint or size applied to a surface