Udl
[计]= Up Data Link,上行数据链路
🗣️ 情景例句
I don't usually listen to the weather. They never get it right!
我不怎么听天气预报。他们总报不准。
When did you join the oranizetion?
你什么时候加入这个团体的？
I tried losing weight, but nothing worked.
我曾试着减肥，但是毫无效果。