A-v node
房室结（心脏的一部分, atrioventricular node）
🧩 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
Craft and Craft.
Craft and Craft。
The mailbox is over there.
邮筒就在那儿。
The most economical age to capture an elephant for training is between fifteen and twenty years,
捕捉15至20岁之间年龄的大象进行驯练最为经济。