英语语法分析

Listening to a purring cat through a stethoscope is a great relaxation technique.

用听诊器听猫发出的呼噜声是很好的放松技巧。

In specialties ranging from cardiac care to pediatric care, they could become as essential in daily medicine as the stethoscope.

在心脏护理至儿科护理的专业领域中，它们在日常医学中可能会像听诊器一样不可或缺。

The stethoscope is older than the x-ray, the ballpoint pen, Popular Science and pretty much everything else in your doctor's office.

听诊器比 X 射线、圆珠笔、《大众科学》以及你医生诊所里绝大部分物件还要古老。