Noun:

1. wading and swimming and diving birds of either fresh or salt water

aquaticadj.水生的；水中的；水上的n.水生动物；水草aquatic sediment水系沉积物aquatic activity水上活动Aquatic preducts水产品Aquatic collagen水产胶原蛋白aquatic true bug水生蝽类aquatic wildlife水生野生动物aquatic products[经] 水产品aquatic resource水产资源aquatic food web水生食物网Aquatic sediments水体沉积物

1. She saw a water bird flying overthe lake.
   她看到一只水鸟从湖上飞过。
2. On Saturday, the teacher brought everybody to ride bicycles from Barclay Park to the Lake Side Water Bird Park.
   星期六，老师带著大伙儿一路骑脚踏车从巴克礼公园到安平的湖滨水鸟公园赏鸟，做竹筏挖蛤蜊和享用美味的海产粥。