Echoscope
听诊器
🗣️ 情景例句
Study hard kids, your mother and I want you to get into a good college when the time comes.
努力学习，孩子们，你们的妈妈和我希望你们能考上名校。
There is no smoke without fire.
无风不起浪。
After he has retired, he will devote himself to gardening.
他退休后，将致力于园艺。