n.蚯蚓

原形：earthworm复数：earthworms

Earthworms are prolific diggers in soil, improving its structure and fertility.
蚯蚓是土壤中勤劳的挖掘者，有助于改良土壤结构和提高肥力。
The earthworm's segmented body allows it to burrow through tight spaces.
蚯蚓分节的身体使它能够穿越狭小的空间。
Earthworms play a crucial role in the decomposition of organic matter.
蚯蚓在分解有机物质过程中起着关键作用。
After a heavy rain, you'll often find earthworms on the surface – they need oxygen to breathe.
大雨过后，你常会在地面上看到蚯蚓，它们需要空气呼吸。
A farmer can increase crop yield by enriching the soil with earthworm castings.
农民可以通过添加蚯蚓粪便来增加作物的产量。
Earthworms are a common prey for birds and small mammals in the garden.
花园中的小鸟和小型哺乳动物常常捕食蚯蚓作为食物。
Earthworms have a remarkable ability to regenerate lost segments.
蚯蚓有惊人的再生能力，失去的部分可以重新长出来。
Earthworms are often used in educational activities to teach kids about the ecosystem.
蚯蚓常被用于教育活动中，用来向孩子们展示生态系统的工作原理。
The presence of earthworms indicates a healthy and fertile soil environment.
蚯蚓的存在标志着土壤健康且富含养分。
Earthworms are considered a valuable addition to aquariums as they help clean the water and serve as food for fish.
蚯蚓被作为观赏鱼缸中的有益生物，它们能清洁水质并为鱼类提供食物。