amphibians are cold-blooded vertebrates.
两栖动物是冷血脊椎动物。
the study of amphibians is called herpetology.
研究两栖动物叫做爬虫学。
many amphibians live in damp environments.
许多两栖动物生活在潮湿的环境中。
some amphibians have poisonous skin.
一些两栖动物皮肤有毒。
amphibians play an important role in the ecosystem.
两栖动物在生态系统中扮演着重要的角色。
the decline of amphibian populations is a cause for concern.
两栖动物种群数量减少令人担忧。
amphibians have unique adaptations for both land and water.
两栖动物对陆地和水域都具有独特的适应性。
scientists are studying amphibians to learn more about evolution.
科学家们正在研究两栖动物，以便更多地了解进化。
amphibians include frogs, toads, salamanders, and newts.
两栖动物包括青蛙、蟾蜍、蝾螈和新特。
conservation efforts are underway to protect amphibians from extinction.
正在进行保护工作，以防止两栖动物灭绝。
amphibians are cold-blooded vertebrates.
两栖动物是冷血脊椎动物。
the study of amphibians is called herpetology.
研究两栖动物叫做爬虫学。
many amphibians live in damp environments.
许多两栖动物生活在潮湿的环境中。
some amphibians have poisonous skin.
一些两栖动物皮肤有毒。
amphibians play an important role in the ecosystem.
两栖动物在生态系统中扮演着重要的角色。
the decline of amphibian populations is a cause for concern.
两栖动物种群数量减少令人担忧。
amphibians have unique adaptations for both land and water.
两栖动物对陆地和水域都具有独特的适应性。
scientists are studying amphibians to learn more about evolution.
科学家们正在研究两栖动物，以便更多地了解进化。
amphibians include frogs, toads, salamanders, and newts.
两栖动物包括青蛙、蟾蜍、蝾螈和新特。
conservation efforts are underway to protect amphibians from extinction.
正在进行保护工作，以防止两栖动物灭绝。
探索常用高频词汇