Electroncardioscop
n. 听诊器
🗣️ 情景例句
Are there any sports clubs on campus?
校园中有什么体育活动俱乐部吗？
I began my new job full of confidence.
我开始做这个新工作时信心十足
But in an old man who has known human joys and sorrows,
可是老年人已经饱尝了人间的甘苦，