Flack's node
[医] 弗勒克氏结, 窦房结
🧩 词语组成解析
node
[nəud]
n. 节点;（计算机网络的）节点;[医]结节;植物的节;
🗣️ 情景例句
Yes?
什么？
John stopped to study.
约翰停下来去学习。
Shortly after it was launched, the pie committee went to a local inn to celebrate.
盘子下水后不久，馅饼委员会成员们来到当地一家小酒店庆贺。