关于燕的作文406字
英文回答：
Swallows are a type of passerine bird that is found in many parts of the world. They are known for their beautiful aerial acrobatics and their long, migratory journeys. Swallows typically have glossy blue or purple plumage with white or chestnut underparts. They have long, pointed wings and a forked tail. Swallows are very fast flyers and can reach speeds of up to 40 miles per hour.
Swallows are insectivores and feed primarily on flying insects such as mosquitoes, flies, and beetles. They are also known to eat berries and nectar. Swallows typically build their nests in sheltered areas such as barns, sheds, and under bridges. The nests are made of mud and grass and are lined with feathers. Swallows typically lay between 4 and 6 eggs per clutch. The eggs are incubated by both the male and female swallow for about 14 days. The chicks fledge from the nest about 24 days after hatching.
Swallows are a beneficial bird because they help to control populations of insects. They are also a beautiful and graceful bird to watch. Swallows are protected by law in many countries.
中文回答：
燕子是一种在世界大部分地区都能见到的雀形目鸟类。它们以其漂亮的空中杂耍表演和漫长的迁徙旅程而闻名。燕子通常有光泽的蓝或紫羽毛，腹部为白或栗。它们拥有修长尖锐的翅膀和分叉的尾巴。燕子是速度非常快的飞行员，时速可达 40 英里。 燕子以昆虫为食，主要以蚊子、苍蝇和甲虫等飞虫为食。它们也以浆果和花蜜为食。燕子通常在谷仓、棚屋和桥下等受保护的地方筑巢。巢是用泥土和草建造的，里面衬有羽毛。燕子每次产卵 4 到 6 枚。卵由雄性和雌性燕子共同孵化，大约需要 14 天。雏鸟在孵化后约 24 天后离巢。 燕子是一种有益的鸟类，因为它们有助于控制昆虫数量。它们也是一种美丽而优雅的鸟类，值得观赏。燕子在许多国家都受到法律保护。
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