Duocone
[无]高低音扬声器
🗣️ 情景例句
They can keep a record of all of the important dates
他们可以记录下重要的日子。
Sorry, She is out. Shall I take a message?
抱歉，她外出了，你要留口信吗？
OK. Let me help you. There!
好，让我来帮你。