hù / shì / yòng / tīng / zhěn / qì / wéi / hái / zi / tīng / zhěn / què / rèn / tā / de / hū / xī / shì / fǒu / zhèng / cháng

护士用听诊器为孩子听诊，确认他的呼吸是否正常。

The nurse used a stethoscope to auscultate the child and check whether his breathing was normal.