cholesterol
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US
Paraphrase
词义分析:Cholesterol 是 "胆固醇" 的英文说法,它是体内的一种脂肪质,既可以由人体自己产生,也可以来源于食物。正常情况下,胆固醇是健康必需的,但过高的胆固醇水平可能会导致心xue管疾病。
例句:
词根分析:该词来自希腊词汇 "chole"(胆汁)和 "stereos"(坚硬的)。胆固醇在早期被发现时发现是以固形存在于胆固醇结石中的。
词缀分析:后缀 "-ol" 常用于表示醇类化合物。
发展历史和文化背景:胆固醇在18世纪被发现,而其在人体健康中的重要角色则是在20世纪被逐渐认识的。
单词变形:Cholesterol 是不可数名词,没有变形。
记忆辅助:词根记忆可以帮助记住这个单词,"chole-" 意思是胆汁,"-sterol" 是固体的意思,放在一起就是固体的胆汁,即胆固醇。
小故事:Tim used to love fatty foods until one day, his doctor told him his cholesterol was too high. He started to exercise regularly and watched his diet. A year later, his cholesterol levels were back to normal.翻译:Tim 过去非常喜欢吃油腻的食物,直到有一天,医生告诉他他的胆固醇太高了。他开始定期锻炼并注意饮食。一年后,他的胆固醇水平恢复正常了。
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