“病原”造句
不幸的是, 引起疾病的
病原仍不明了.
Unfortunately, the responsible pathogens were still unknown.
感病的植物群体不暴露在它们的
病原之下,这是相当普遍的.
Nonexposure of susceptible plant populations to their pathogens is fairly common.
在此情况下,需要特异性实验来确定
病原.
In such situations specific laboratory tests are necessary to establish the etiology.