Electrostethoscope
电扩音听诊器
🗣️ 情景例句
The grass. The trees. The fresh air.
草地， 树木， 新鲜空气。
Who is going to pay for it?
谁付账？
Ann began to put the candles on her cake. Then she counted them.
安开始把蜡烛插到她的生日蛋糕上。插完，她数了数。