Hierarchical system
[计] 分级系统, 分层系统
🧩 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 can't go another step because I'm pooped.
我一步也走不动了，我已经精疲力尽了。
Sorry, but she's busy then too.
对不起，那会儿她也没空。
it may have been because curiosity attracted them and because the scent of a possible meal attracted the sharks.
那么它们可能是出于好奇；而鲨鱼可能是闻到了可以美食一顿的香味。