当反射和绕射相当不发育时,这些波看上去很清楚.The waves are sometimes seen clearly when reflections and discrimination are rather poorly developed.艾滋病病毒在蚊子体内既不发育也不会复制,蚊子嘴上残留的血液量微乎其微,远不足以引起传染.The trace amount of the virus on the mosquito is not...
“ 嘎 —— ” 传来一声水禽被惊动的呜叫." Quack! " came the cry of a startled water bird.水禽数据库是有关北美水禽和它们的湿地栖息地的书目数据库.Duckdata is a bibliographical database of North American waterfowl Anatidae and their wetlands habitats.长着细长双腿的涉禽和姿态优美的水禽...
这片潮湿地区也吸引了青蛙、蟾蜍和蝾螈一类的生物。This wet area also attracts frogs, toads and newts.他把手伸进淤泥里捞摸，结果抓上来一只巨大的蟾蜍。He grabbed into the ooze and came up clutching a large toad.蟾蜍把这整个地方都占为己有。Toads are colonising the whole place....