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
Sorry, I've got people coming over tonight.
很抱歉，今晚有客人要来。
What does it matter?
有什么关系？
Modern industry is based on the conception of the maximum production at lowest cost,
以最低成本获取最多产品，