Microstethophone
[医] 扩音听诊器
🗣️ 情景例句
10 percent down and the balance at the time of shipment?
百分之十付现款，余额在装运时付清吗？
Don't worry.
不要担心。
We've arranged our schedule without any trouble.
我们已经很顺利地把活动日程安排好了。