Echometer
听诊器
🗣️ 情景例句
Am I older than you? You look so young.
我比你老吗？你看起来非常年轻？
Having this new branch means a great deal to the economy of both countries.
这家分行的建立将对两国的经济交流起到很大的作用。
A noise?
一阵响声？