Doubly-chained tree
[计] 双链树
🧩 词语组成解析
doubly
[['dʌbli]]
adv. 加倍地, 双重地\\n[计] 双地
chained
[tʃeind]
adj. 装链的;装链的;
v. 束缚(chain的过去分词);用链条系住;
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
How long will this be on sale?
这种商品减价时间有多久？
What do you think I should do?
你想我该怎么做呢？
the graphic record shows three waves arriving one after the other at short intervals.
曲线纪录就能显示出前后相间的这3种地震波。