Udl
[计]= Up Data Link,上行数据链路
🗣️ 情景例句
I could work out in your class with no problem.
如果我去你的班上做运动， 一定不会觉得有问题。
No matter what she says, don't show you are afraid.
不论她说什么，你也不要让人知道你害怕了。
It rather surprised me.
那事使我颇感惊讶。