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
Mary, what's your favorite sport?
玛丽，你最喜欢什么运动？
I'm going to show him how to write.
我正要指点他如何写字。
Here you are, Jim. You must look after your clothes!
给你，你要好好保管你的衣服呀！