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inoh

primer

/ˈpɹɪm.ɚ/

含义 1

an introductory book or guide

“The teacher handed out a math primer for students.”
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primer 的插图:an introductory book or guide

含义 2

substance used as a preparatory coat

“She applied a primer before painting the walls.”
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primer 的插图:substance used as a preparatory coat