Discrete series
[计] 离散序列
🧩 词语组成解析
🗣️ 情景例句
OK. I'll let you get back to your work.
好，你过去工作吧。
How are you?
你好吗？
Just as Mrs.Richards was entering the dinning room, there was a knock on the front door.
理查兹夫人刚刚走进餐厅，前门就传来敲门声。