名词
中文翻译：海燕
同义词：
['seabird', 'swift', 'swallow例句：1. The seagulls were flying high in the sky', 'their wings beating against the wind.（海鸥们在天空中高飞，翅膀拍打着风。）2. The swallows had already arrived in the city', 'searching for food in the garbage cans.（燕子已经到达城市，在垃圾桶里寻找食物。）']
例句：
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1. The seagulls were flying high in the sky, their wings beating against the wind.
海鸥们在天空中高飞，翅膀拍打着风。
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2. The swallows had already arrived in the city, searching for food in the garbage cans.
燕子已经到达城市，在垃圾桶里寻找食物。
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3.The seagulls and swallows were both beautiful birds, with their distinctive white feathers.
海鸥和燕子都是美丽的鸟类，它们都有白色的羽毛。