Electrostethoscope
电扩音听诊器
🗣️ 情景例句
Absolutely.
绝对是真的。
Here is a price list together with a booklet illustrating our products.
这儿有一份价目单和介绍说明我方产品的小册子。
Excuse me, Mr. Hu. Can you look after my watch, please?
劳驾，胡老师，你能帮我保管一下我的手表吗？