Phonostethograph
听诊录音机
🗣️ 情景例句
I want our children to learn
我要孩子们学习到
None are so deaf as those who will not hear.
不愿倾听意见者最聋。
for even though it was still summer, it rained continually and it was often bitterly cold.
因为即使那时仍为夏季，但雨总是下个不停，而且常常冷得厉害。