“接种物”的英语可以翻译为：[化] inoculum，[医] inocula ...

接种物来自北京郊区的稻田土.The inocula were from the suburban rice soil.装在玻璃管中的灭菌棉签适合干剖检时用来采集接种物.Sterile cotton - tipped applicators in individual glass tubes conveniently used to obtain inoculum during the necropsy....