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
Good night, Dad.
晚安， 爸爸。
One thorn of experience is worth a whole wilderness of warning.
一次痛苦的经验抵得上千百次的告诫。
As the neighbours complained of the noise, my husband spent weeks training him to press his paw on the latch to let himself in.
由于邻居们对狗叫很有意见，所以我丈夫花了几个星期的时间训练它用脚爪按住门闩把自己放进来。