Stem cells, it seems, have become almost as ubiquitous in medicine as stethoscopes.
在医学上，干细胞已经如同医用听诊器那样随处可见。
Stethoscopes and other hearing devices can help you home in on the correct diagnosis sooner.
听诊器和其他听力设备可以帮助您在正确的诊断。
Stethoscopes and other hearing devices can help you home in on the correct diagnosis sooner.
听诊器和其他听力设备可以帮助您在正确的诊断。
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