Electrocardiophonograph
[医] 心音电描记器
🗣️ 情景例句
We had a good day.
我们今天玩得很开心。
Do not swap horses when crossing a stream.
处在危难中，不宜大更动。
We can read of things that happened 5,000 years ago in the Near East,
我们从书籍中可读到5，000 年前近东发生的事情，