State tree
[常作 S- T-](美国各州的)州树
🧩 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
You remember that day, Robbie?
你还记得那天吗 Robbie
I worked as an intern in that firm last summer.
去年夏天我在那家商行实习。
but they do underline the general principle that the relationship between elephant and mahout is the key to successful training.
但强调了一项基本原则，象和驯象员之间的关系是驯象成功与否的关键。