Phonophore
n. 报话合用机\\n[医] 听小骨, 扩音听诊器
🗣️ 情景例句
What do you think of China?
你认为中国怎么样？
Keep thing seven years and you will find a use for it.
备而不用。
In summer it is often too hot, and in winter it is too cold.
夏天常常太热，冬天又常常太冷。