Keith's node
[医] 基思氏结, 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
Alexandra's a high-school exchange student from Greece.
Alexandra是从希腊来的交换高中生。
If you're not sure how to do is, ask me.
假如你拿不准怎样做，就来问我好了。
But every night he heard the noise upstairs.
但每天晚上他都听到楼上的声音。