Phonostethograph
听诊录音机
🗣️ 情景例句
I understand, Grandpa.
我能体会你， 爷爷。
Absolutely impossible!
绝对不可能!
It is animals and plants which lived in or near water whose remains are most likely to be preserved,
只有生活在水中或水边的动植物尸体最有可能被保存下来，