Tree ring
树木的年轮
🧩 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）;
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
Consider the cost before you decide.
你决定前要先考虑费用问题。
He has a radio,doesn't he?
他有一台收音机，对不对？
It's often windy in March.
3月里常常刮风。