A burrowing annelid worm that lives in the soil, important in aerating and draining the soil and in burying organic matter.
蚯蚓
Family Lumbricidae, class Oligochaeta: Lumbricus, Allolobophora, and other genera
Example sentencesExamples
Centipedes are predatory, feeding on soil invertebrates such as earthworms and terrestrial insects.
The burrowing activities of earthworms increase the soil horizons most conducive to worm health and growth rate.
Soils may harbor 50 to 500 earthworms per square meter; they keep soils aerated, and their castings fertilize the soil.
Most nematodes, also called roundworms, are small, simple worms lacking the segmentation of the more familiar earthworms.
He doesn't plow when the soil is wet and, by not using chemicals, doesn't kill beneficial organisms such as earthworms and bacteria, which aerate the soil.
Definition of earthworm in US English:
earthworm
nounˈərθˌwərmˈərTHˌwərm
A burrowing annelid worm that lives in the soil. Earthworms play an important role in aerating and draining the soil and in burying organic matter.
蚯蚓
Family Lumbricidae, class Oligochaeta: Lumbricus, Allolobophora, and other genera
Example sentencesExamples
Centipedes are predatory, feeding on soil invertebrates such as earthworms and terrestrial insects.
He doesn't plow when the soil is wet and, by not using chemicals, doesn't kill beneficial organisms such as earthworms and bacteria, which aerate the soil.
The burrowing activities of earthworms increase the soil horizons most conducive to worm health and growth rate.
Soils may harbor 50 to 500 earthworms per square meter; they keep soils aerated, and their castings fertilize the soil.
Most nematodes, also called roundworms, are small, simple worms lacking the segmentation of the more familiar earthworms.