stethoscope
Definition
A medical instrument used to listen to internal sounds in the body, such as the heartbeat.
中文 用于听取体内声音（如心跳）的医疗仪器。
Example
"The doctor used a stethoscope to check the patient's lungs."
A medical instrument used to listen to internal sounds in the body, such as the heartbeat.
中文 用于听取体内声音（如心跳）的医疗仪器。
"The doctor used a stethoscope to check the patient's lungs."