yán / jiū / rén / yuán / zhèng / zài / guān / chá / jìn / cǎo / zài / bù / tóng / tǔ / rǎng / zhōng / de / shēng / zhǎng / qíng / kuàng

研究人员正在观察荩草在不同土壤中的生长情况。

Researchers are observing how small carpetgrass grows in different soils.