| 例句 |
noun a wedding cake with three tiers三层的结婚蛋糕 The seating is arranged in tiers. 座位是一级级排列的。 We have introduced an extra tier of administration. 我们额外增加了一层管理。 a two-tier system of management两级管理制 plans to create a third tier of management the lower tier of government The seating is arranged in tiers. 座位是一级级排列的。 |