A-c positioning
[电] 交流定倍
🧩 词语组成解析
n. 定位；配置, 布置
🗣️ 情景例句
I'm delighted to meet you, Mr. Peter.
皮特先生，很高兴认识你。
The first step is the only difficulty.
万事起头难。
Two return tickets to London,please.
买两张到伦敦的往返票。