Udl
[計(jì)]= Up Data Link,上行數(shù)據(jù)鏈路
??? 情景例句
I'd like to introduce you to some of my friends.
我想介紹你認(rèn)識(shí)一些我的朋友。
Which one is more clever?
哪一個(gè)是較聰明的？
Bob tries another pop star. This time he has more difficulty in getting through.
鮑勃試著想請(qǐng)另一個(gè)流行歌星。但這次電話比較難打通。