Std
[计] 标准
📖 牛津释义
STD
abbr
缩写 = (Brit) subscriber trunk dialling (by telephone) 用户直通长途电话
The STD code for London is 071. 伦敦的用户长途直通号码是 071.
🗣️ 情景例句
Welcome.
欢迎你。
Who is speaking?I don't recognize your voice.
阁下是那一位？我听不出你的声音。
OK.Thanks.
谢谢。