certifications
基本解释
n. [法] 认证；资质证书（certification的复数形式）
英文释义
n. the act of certifying or bestowing a franchise on
n. confirmation that some fact or statement is true through the use of documentary evidence
n. a document attesting to the truth of certain stated facts
词形变化
上一个单词：certification program
下一个单词：certificatory