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
One of the critics is coming over this morning for a preview.
一位评论家今天早上要来看预展。
One cannot eat one's cake and have it.
事难两全其美。
Were you afraid?
你害怕吗？