Stethophonometer
[医] 胸音计, 听诊测音器
🗣️ 情景例句
Those were great days and we were very happy.
那些日子美好极了，我们过得很幸福。
Children enter school at the age of five,don't they?
孩子们在5岁时入学吗？
I was being tested for a driving licence for the third time.
我第3次接受驾驶执照考试。