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Security marker
/sɪkjˈʊəɹɪti mˈɑːkə/
/sɪkjˈʊɹɪɾi mˈɑːɹkɚ/
Noun (1)
"security marker" 的定义和意义
Security marker
名词
01
安全标记
a special pen filled with ink that has unique properties, like glowing under UV light, used to mark items for security or proof of authenticity
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