1 N-COUNT 一排;一行;一列 A
tier is a row or layer of something that has other layers above or below it.
一排;一行;一列 Tier is also a combining form.
(亦可用于构词) 2 N-COUNT (组织或系统的)层,级 A
tier is a level in an organization or system.
(组织或系统的)层,级 Tier is also a combining form.
(亦可用于构词) View usage for:All yearsLast 10 yearsLast 50 yearsLast 100 yearsLast 300 years