Vitamin: A vital organic compound that is essential for normal metabolism and for the growth, development, and maintenance of life. It cannot be synthesized by humans in sufficient amounts and must be obtained from the diet.
列举例句
Scenario: Health
English: Taking a daily multivitamin can help ensure you get all the vitamins your body needs.
中文: 每天服用多种维生素可以帮助确保你的身体获得所需的所有维生素。
Scenario: Cooking
English: Eating fresh fruits and vegetables is a great way to get natural vitamins.
中文: 吃新鲜的水果和蔬菜是获取天然维生素的好方法。
Scenario: Education
English: The teacher explained how important vitamins are for maintaining good health.
中文: 老师解释了维生素对保持良好健康的重要性。
词根分析
Vit-: Life, vitality
-amin: Nitrogenous base (from amines)
衍生词
Vital (生命的，至关重要的)
Vitality (活力，生命力)
Revitalize (使恢复活力)
词缀分析
Vitamin does not have significant prefixes or suffixes in its structure. However, it can be analyzed as "vit-" (life) + "-amin" (nitrogenous base).
发展历史和文化背景
The concept of vitamins emerged in the early 20th century with the discovery of specific nutrients necessary for health that could not be synthesized by the human body. The term "vitamin" was coined by Casimir Funk in 1912, combining "vital" and "amine" to describe these essential nutrients.
单词变形
Noun: Vitamin (名词)
Plural: Vitamins (复数)
Adjective: Vitamin (形容词，如 "a vitamin supplement")
固定搭配与组词
Multivitamin (多种维生素)
Vitamin C (维生素C)
Vitamin D deficiency (维生素D缺乏)
记忆辅助
Mnemonic Device: Remember "SODA" - Sunshine provides Vitamin D, Oranges provide Vitamin C, Dairy products provide Vitamin A, and green leafy Alfalfa sprouts are rich in various vitamins.
小故事
English:
Tom visited the farmer's market. He bought fresh oranges, knowing they were rich in Vitamin C. He also picked up some dairy products for Vitamin D. Later, he enjoyed a healthy salad with alfalfa sprouts, feeling good about getting his daily vitamins.