n.蜉蝣

原形：mayfly复数：mayflies

The mayfly's life cycle is quite short; it only lives for a few hours after emerging from the water."
"蜻蜓的生命周期非常短暂，它从水中孵化出来后只能存活几个小时。"
In the countryside, one can often see mayflies during spring and summer."
"在乡村，人们经常可以在春季和夏季看到蜻蜓。"
Mayflies are an important indicator of clean water as they require pure water to survive."
"蜻蜓是清洁水源的重要指标，因为它们需要纯净的水才能生存。"
Photographers love capturing the moment when mayflies emerge from the water and take their first flight."
"摄影师喜欢捕捉蜻蜓从水中孵化并进行首次飞行的那一瞬间。"
The mayfly's delicate wings make them beautiful subjects for nature photography."
"蜻蜓轻盈的翅膀使它们成为自然摄影中的美丽主题。"
Biologists study the behavior of mayflies to understand more about aquatic ecosystems."
"生物学家研究蜻蜓的行为以更深入地了解水生生态系统。"
Mayflies play a crucial role in the food chain as they provide a vital source of protein for many aquatic animals."
"蜻蜓在食物链中扮演着至关重要的角色，因为它们为许多水生动物提供了重要的蛋白质来源。"
Fishing enthusiasts often look forward to the mayfly hatches as they attract a lot of fish activity."
"钓鱼爱好者通常期待蜻蜓的孵化期，因为这个时期会吸引大量鱼类活动。"
The sight of thousands of mayflies swarming around a stream or river is both beautiful and awe-inspiring."
"成千上万的蜻蜓围绕溪流或河流群飞的景象既美丽又令人惊叹。"
The life span of a mayfly is so short that it often symbolizes the fleeting nature of life."
"蜻蜓的生命如此短暂，以至于它常常象征着生命的短暂性。"