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
My boss does everything by the book.
我们老板一切照章办事。
How many pieces are you going to buy?
你要买几个？
It is animals and plants which lived in or near water whose remains are most likely to be preserved,
只有生活在水中或水边的动植物尸体最有可能被保存下来，