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
I need a new toothbrush. My old one's worn out.
我需要一支新牙刷。旧的用坏了。
I'd like to allow anyone to ask whatever questions they may have.
我乐意接受任何人提出的任何问题。
Yes, we have been interested in new system.
是的，我们对新系统很感兴趣。