凭证憑證 píng zhèng — proof
píng (second tone, rising) zhèng (fourth tone, falling)ping2 zheng4
Traditional: 憑證
proof
Levels 7–9· 2021 three-band, nine-level proficiency standardnoun
Meanings
proof
proof; certificate; receipt; voucher
noun
Traditional: 憑證
proof
proof
proof; certificate; receipt; voucher