Cobaltco
钴
🗣️ 情景例句
Hi, Betty. I'll be at five five five...seventeen twenty.
好 Betty 我的号码是555-1720。
Today English is the international language of business and trade.
如今英语是商务和贸易的国际性语言。
This is a telephone with a tape recorder.
这是一台带有磁带录音机的电话。