Tree-rings
(tree-ring 的復數) 樹木年輪
?? 詞語組成解析
tree
[tri]
n. 樹;木料;樹狀圖;宗譜;
vt. 把…趕上樹;使處于困境;把鞋型插入（鞋內）;
n. 吊環（ring的復數）
??? 情景例句
You can do it.
可以這樣做。
Whom will you vote for?
你將投票給誰？
What's the deadline?
截止到什么時候？