yán jiū rén yuán / zài / xiǎn wēi jìng / xià / guān chá / tǔ rǎng / zhōng de / xiàn chóng / yǐ / liǎo jiě / tā men / duì / zuò wù / gēn xì / de / yǐng xiǎng

研究人员在显微镜下观察土壤中的线虫，以了解它们对作物根系的影响。

Researchers observed nematodes in the soil under a microscope to understand their effects on crop roots.