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
I Wonder whether they will arrive on time.
我也不知道他能不能准时到。
Please take your time.
请慢慢来。
For them this is a major operation which involves considerable planning.
看戏在他们是件大事，需要精心计划。