Stack tree
[計(jì)] 棧樹
?? 詞語組成解析
stack
[st?k]
n. 垛，干草堆;（一排）煙囪;層積;整個(gè)的藏書架排列;
vt.& vi. 堆成堆，垛;堆起來或覆蓋住;洗牌作弊;秘密事先運(yùn)作;
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(nèi)）;
??? 情景例句
Yes, but I don't know where to start.
是的 ，但我不知道從何說起。
You haven't been around much lately,have you?
你近來不大出來走動(dòng)了，是吧？
One of Mary's prize possessions was a little white lamb which her husband had given her.
瑪麗最珍貴的財(cái)產(chǎn)之一就是丈夫送給她的一只白色小羔羊。