生物

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Studying biology helps us understand the complex systems of living organisms

研究生物学有助于我们理解生物体的复杂系统。

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The biologist conducted field research to study endangered species

这位生物学家开展实地研究以考察濒危物种。

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She cycles to work every day to promote a healthy lifestyle and reduce carbon footprint

她每天骑自行车上班，以倡导健康生活方式并减少碳足迹。

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Scientists divide living organisms into different kingdoms based on their characteristics

科学家根据生物特征将生物体划分为不同的界。

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Some bacteria are beneficial for digestion , while others can cause diseases

有些细菌对消化有益，而有些则会引发疾病。

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The cell is the basic structural and functional unit of all living things

细胞是所有生物的基本结构和功能单位。

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DNA testing is commonly used in forensic science to identify individuals

脱氧核糖核酸检测常用于法医学中识别个体。

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Biological evolution explains how species change over generations

生物进化解释了物种如何随世代演变。

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The theory of evolution revolutionized our understanding of life's diversity

进化论彻底改变了我们对生命多样性的理解。

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Species evolve through natural selection and genetic variation

物种通过自然选择和基因变异进化。

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Genetic traits can be passed from parents to offspring

遗传特征可以从父母传给后代。

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Genes play a crucial role in determining an individual's physical characteristics

基因在决定个体的身体特征中起着关键作用。

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Genetics research has led to breakthroughs in treating inherited diseases

遗传学研究已在治疗遗传性疾病方面取得突破。

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Washing hands regularly helps prevent the spread of germs

经常洗手有助于防止细菌传播。

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Nerve cells transmit signals throughout the body to coordinate actions

神经细胞在全身传递信号以协调动作。

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Every organism has unique adaptations to survive in its environment

每个生物都有独特的适应能力以在其环境中生存。

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Many species are facing extinction due to habitat loss and climate change

由于栖息地丧失和气候变化，许多物种正面临灭绝。

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Fertile soil is essential for growing crops and sustaining agriculture

肥沃的土壤对种植作物和维持农业至关重要。

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Mutations in DNA can sometimes lead to new traits in organisms

DNA突变有时会导致生物体出现新特征。

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Organic farming practices prioritize natural methods over synthetic chemicals

有机农业实践优先采用自然方法而非合成化学物质。

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Metabolism converts food into energy that the body uses for daily activities

新陈代谢将食物转化为身体日常活动所需的能量。

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Plants reproduce through seeds or vegetative propagation

植物通过种子或营养繁殖进行繁殖。

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Parasites rely on host organisms for survival and can cause harm

寄生虫依赖宿主生物生存，并可能造成伤害。

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Tissue samples were analyzed in the lab to diagnose the medical condition

实验室分析了组织样本以诊断病情。

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Antibodies help the immune system fight off infections and diseases

抗体帮助免疫系统抵御感染和疾病。

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In genetics , a dominant allele masks the expression of a recessive allele

在遗传学中，显性等位基因会掩盖隐性等位基因的表达。

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genetic engineering

phr. 遗传工程

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Genetic engineering allows scientists to modify an organism's DNA for specific purposes

遗传工程使科学家能够为特定目的修改生物体的DNA。

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Male birds often have vibrant plumage to attract mates

雄性鸟类通常有鲜艳的羽毛来吸引配偶。

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Female mammals produce milk to feed their offspring

雌性哺乳动物产奶喂养后代。

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RNA plays a key role in translating genetic information into proteins

核糖核酸在将遗传信息转化为蛋白质中起关键作用。

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Viruses like influenza can spread rapidly through respiratory droplets

流感等病毒可通过呼吸道飞沫迅速传播。