信号

In sentences Pinyin

以前yǐ qián人们rén men用yòng烟yān作为zuò wéi联络lián luò信号xìn hào。Back then, people communicated using smoke signals. #817267

你nǐ说shuō什么shén me？我wǒ听不见tīng bu jiàn，这里zhè lǐ信号xìn hào太tài差chà了le。What are you saying? I cannot hear, the signal here is too bad. #1766270