Unsolvable node
[计] 不可解节点, 不可解结点
🧩 词语组成解析
a. 不能解决的
node
[nəud]
n. 节点;（计算机网络的）节点;[医]结节;植物的节;
🗣️ 情景例句
At 4, but I have to leave by 3:00 to get there on time.
四点，不过我三点必须离开，才能准时到那里。
You use the front door and I'll hit the back.
你从正门进去，我袭击后面。
We swam and dived off the rocks into the sea.
我们从岩石上跳进海里游泳。