Sentinel node
[医] 信号结
🧩 词语组成解析
sentinel
['sentinl]
n. 岗哨，哨兵;
node
[nəud]
n. 节点;（计算机网络的）节点;[医]结节;植物的节;
🗣️ 情景例句
Things will work out in the end.
事情最终都会解决的。
How much is a hair cut?
剪一次头发要多少钱？
She works very hard and is very helpful.
她工作非常努力，对同学们帮助很大。