Hierarchical structure
层次结构，分级结构; 递阶结构
🧩 词语组成解析
hierarchical
[ˌhaiə'rɑ:kikl;'haiə'rɑ:kikəl]
adj. 按等级划分的，等级（制度）的;分层的;
🗣️ 情景例句
I'll take this green sweater.
我买这件绿毛衫吧。
There's too much static.
干扰太大。
would be like trying to meet a friend in London without a pre-arranged rendezvous and absurdly wandering the streets in the hope of a chance encounter.
就如同去伦敦见一位朋友，事先未约定地点，而荒唐地在街上游逛，以期待碰巧遇上一样。