A dense atmosphere, thick with water vapor, 大气密度很高 富含水汽
The vegetation is dense and provides better cover. 茂密的植被提供了更好的掩护
Hunting in a dense teak forest is difficult... 在茂密的柚木林中捕猎十分困难
let alone film, in the dense grass of the Cerrado. 更不用说在这片茂密的塞拉多草原上拍摄了
The dense grass in turn provides this female 茂密的草丛反过来为这只雌性鬃狼
Hunters living in the dense understorey of the jungle 在浓密的丛林底层中生活的捕猎者
The dense shoals, on which so many depend gather only when water conditions are perfect. 只有在水况非常好的情况下 才会出现这样的鱼群聚集
But few calls can penetrate as far through the dense vegetation as this one the deep bass solo of a male orangutan. 有的叫声可以穿透密密的植被 例如这只,重低音独奏--雄红毛猩猩
In the middle of the day little stirs in the jungle and the hot dense air muffles the sound. 时近中午,声音稀少, 雨林中湿热的空气也阻挡了声音的传送