Sinal node
[医] [静脉]窦结
🧩 词语组成解析
a. [医]窦的
node
[nəud]
n. 节点;（计算机网络的）节点;[医]结节;植物的节;
🗣️ 情景例句
and I promise you I won't forget.
我向你保证， 我不会忘的。
No. We're supposed to go to the movies.
不，我们决定去看电影了。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。