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
I give thanks for being here with my family and for being well,
我感谢能在这里和家人在一起而且很健康，
I'm very pressed for cash at the moment, can I pay you next week?
我现在手头有点紧，再周再付给你行吗？
The shape and dimensions of the skyscrapers depend entirely on the necessity of obtaining the maximum income per square foot of ground,
每平方英尺地皮取得最大收入