tier /tɪə/ TEM4

• 1. 

  N-COUNT A tier is a row or layer of something that has other layers above or below it. 排; 层

  例：

  ...the auditorium with the tiers of seats around and above it.

  …周围和上方有一排排座位的礼堂。

• 2. 

  COMB in ADJ Tier is also a combining form. (用于构成合成形容词) …排的; …层的

  例：

  ...a three-tier wedding cake.

  …一个3层的结婚蛋糕。

• 3. 

  N-COUNT A tier is a level in an organization or system. (组织或系统中的) 级

  例：

  Islanders have campaigned for the abolition of one of the three tiers of municipal power on the island.

  岛民们已经发起了运动，要废除该岛3级市政权力中的1级。

• 4. 

  COMB in ADJ Tier is also a combining form. (用于构成合成形容词) …级的

  例：

  ...the possibility of a two-tier system of universities.

  …大学双轨制的可能性。

• 5. 

  V to be or arrange in tiers 使层叠; 按层排列