His time down here is limited by how long he can hold his breath. 它在水下的时间 受限于它能屏住呼吸的时间
these small creatures were limited to a life in the margins. 这些小生物局限在边缘生活
Their reach was limited by their ties to water. 它们与水的关系 限制了它们的活动范围
than the limited amount of wild food 能找到的有限野生食物来说
The limited food and space on small islands 岛屿上有限的食物和空间
Space being limited on islands, dragon territories overlap, 岛屿上空间有限 巨蜥的地盘时常重叠