1·Young people often congregate in the main square in the evenings.
年轻人傍晚时经常聚集在大广场上。
—— 《牛津词典》
2·When it rains, the adults emerge and congregate to mate at temporary ponds.
下雨时，成年企鹅们会出现并聚集在临时出现的水塘里进行交配。
3·Very soon, they claim, phones will be helping users make new friends by suggesting places to go where people with similar interests are likely to congregate.
科学家声称，很快手机就能够帮助用户交友了，它会建议用户去一些与其志趣相投的人可能会聚集的地方。
4·In the same way beavers construct DAMS, red grouper excavate and maintain distinct holes whose rocky surfaces provide a place for coral, sponges and other Marine life to congregate.
同样地海狸建造堤坝，赤点石斑鱼挖掘和维护明显的坑洞，这些坑洞的石质表面成为珊瑚虫，海绵动物和其他海洋生物聚集的地点。
5·Because stars congregate at a galaxy's centre, the metallicity in most nearby spirals is greatest there and drops toward the edge.
因为恒星聚集在星系的中心，其附近的金属丰度最高并沿边缘方向逐渐降低。