英语词汇tier 1 certification怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	tier 1 certification
释义	tier n — 层 n • 级别 n • 一列 n • 一行 n • 一排 n certification n — 鉴定 n • 证书 n • 证明 n tier — 屉 certify v — 核证 v certify — 签证
随便看	a call-off order a call on a call on hold a call on mobile a call on Monday a call on this a call option a call outside the a call phone a call shall be deemed a call to action a call to arms a call to assist a call to discuss a call together a call to something a call to start a call to the population a call was made a calm a calm approach a calm heart keeps you cool a calming effect on a calm manner a calmness

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

tier n —