Sinus node
窦房结
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
node
[nəud]
n. 节点;（计算机网络的）节点;[医]结节;植物的节;
🗣️ 情景例句
The price has been consistently maintained.
价格始终保持稳定。
We can't afford the expense.
我们不能付出那些花销。
Lucy and I go to school six days a week.
鲁茜和我每周上六天课。