Hierarchical tree system
[计] 分层结构树形系统
🧩 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;
tree
[tri]
n. 树;木料;树状图;宗谱;
vt. 把…赶上树;使处于困境;把鞋型插入（鞋内）;
🗣️ 情景例句
and how hard it is
他还说这件事很难
There's nothing like a cup of tea when you're thirsty.
当你口渴时，没有什么东西比一杯茶更好了。
It's very smart.Short skirts are in fashion now.
它很时髦。短裙现在很流行。