Adder tree
[計] 加法樹
?? 詞語組成解析
adder
['?d?]
n. 加法器，（歐洲產）蝰蛇（小毒蛇），（北美產無毒的）豬鼻蛇;
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）;
??? 情景例句
She couldn't get over her shyness.
她無法克服羞怯。
Ahh, shucks!
哈哈，沒關系。
Congratulations on your good news! You must have done well to have achieved this success.
對你的好消息表示祝賀。你一定是干得很出色才獲得這一成功的。