Drls
abbr. discrimination reversal learning set 辨别力反向学习集; Dispatch Rider Letter Service 派遣附文服务
🗣️ 情景例句
What's up?
什么事？
Do you have any time?
你有时间吗？
This is a telephone with a tape recorder.
这是一台带有磁带录音机的电话。