Symmetric binary tree
[计] 对称二叉树
🧩 词语组成解析
symmetric
[si'metrik]
adj. 相称性的，均衡的;
binary
['bainəri]
adj. 双重的，由两个东西组成的;二态的;二元的;二进制的;
n. 一双;双体;二进制数;双子星;
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
Well, you've got my vote.
哦， 那我一定投你的票。
How much does that typewriter weigh?
那台打字机重多少？
By this time, however, three men had come into the ring and they quickly dragged the drunk to safety.
好像连牛也在为他感到遗憾，