Solution tree
[计] 解答树
🧩 词语组成解析
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
Certainly.
当然可以。
Slowly, stricter laws and regulations are being passed by Congress.
慢慢地，在国会表决通过了更严厉的法律法规。
and the railway of the future may well be the 'hovertrain',
未来的火车或许能成为气垫火车，