Scard
abbr. signal conditioning and recording device 信号调节和记录装置
🗣️ 情景例句
You must develop the muscles of your speech organs to produce unfamiliar sounds.
所以你必须训练和发展你的发音器官（声带、舌、口、鼻腔等）的肌肉，以便发出陌生的（另外一种语言）声音。
I tried calling you several times yesterday but I couldn't get through.
我昨天给你打了几次电话，但都没有打通。
Why did you come here?
你为什么来这儿呢？