Electrostethoscope
电扩音听诊器
🗣️ 情景例句
I'm going to call Rita Mae at home
我会打电话到Rita Mae家
Step by step the ladder is ascended.
登梯需要逐级登。
Thirteen is not as good as one, but it's better than nothing.
“13下是不如1下好，但总比1下也不敲强。