earthworm
🇺🇸
/ˈɜːrθwɜːrm/
🇬🇧
/ˈɜːθwɜːm/
A type of worm that lives in the soil and helps to make it fertile.
Earthworms are important for the soil because they help to mix it up and make it better for plants to grow.
蚯蚓对土壤很重要,因为它们帮助混合土壤,使植物生长得更好。