For diagnosis, it can be isolated in cultures from blood, sputum, or urine.

诊断时，可从血液、痰液或者尿液中分离出病原体。

Cultures for urine, sputum, blood or pus may be needed in cases of bacterial infection to identify the specific pathogen.

在细菌感染的情况下，可能需要对尿、痰、血或脓液进行培养，以确定特定的病原体。

For diagnosis, Klebsiella pneumoniae can be isolated in cultures from blood, sputum, or urine depending on the type of infection.

根据感染类型，从血液、痰液或者尿液中分离出肺炎克雷伯杆菌，即可诊断。

Pneumonia most often causes dyspnea, or shortness of breath, chest pain, and a productive cough, meaning that pus or bloody sputum might come up.

肺炎最常引起呼吸困难、呼吸短促、胸痛和排痰性咳嗽，这意味着可能会出现脓痰或血痰。

When the lungs are affected, symptoms include a cough, dyspnea, which is difficulty breathing, as well as hemoptysis - or blood in the sputum.

如果肺部受损，病人会表现出咳嗽、呼吸困难以及咳血等一系列症状。

Occasionally in the sputum there might be curschmann spirals, which are spiral shaped mucus plugs or basically elongated mucous casts from small bronchi of people with bronchial asthma.

偶尔在痰中可能会有库什曼螺旋晶体，也就是螺旋形的粘液栓，或是本质上是支气管哮喘患者的小支气管塑成的细长粘液。

The most precise type of testing for COVID-19, the molecular kind, starts by reaching deep inside a person's nose and throat to extract sputum — the gunk that gets ejected through coughing, sneezing, spitting, and even singing.

最精确的 COVID-19 检测类型是分子检测，首先深入人的鼻子和喉咙深处提取痰液——咳嗽、打喷嚏、吐痰甚至唱歌时排出的粘液。