Electrostethoscope
电扩音听诊器
🗣️ 情景例句
She sure does.
她的确如此。
This round table weighs about forty-five pounds.
这张圆桌子重大约45磅。
Paw prints were seen in a number of places and puma fur was found clinging to bushes.
在许多地方看见爪印，灌木丛中发现了粘在上面的美洲狮毛。