Relational tree
[计] 关系树
🧩 词语组成解析
relational
[ri'leʃənl]
adj. 亲属的，相关的，有关的;
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
He isn't likely to win.
他不可能赢。
To swim
游泳
Many owners of private cars are going to offer 'free rides' to people on their way to work.
很多私人汽车的车主正准备为乘车上班的人们提供“免费乘车”的服务，