名詞 vitamin:

1. any of a group of organic substances essential in small quantities to normal metabolism

1. Oranges are rich in vitamin C.
   橙子含有豐富的維生素C。
2. She supplements her diet with vitamin tablets.
   她服用維生素片劑以補充規(guī)定食譜中的營養(yǎng)。
3. Lemons are rich in vitamin C.
   檸檬含豐富的維生素C。
4. His mother told him to have a vitamin pill before leaving.
   他媽媽讓他在走之前吃一顆維生素藥丸。
5. Oranges contain vitamin C.
   橙子含有維生素C。

vi.ta.min

n.（名詞）
Any of various fat-soluble or water-soluble organic substances essential in minute amounts for normal growth and activity of the body and obtained naturally from plant and animal foods.
維生素：各種脂溶性或水溶性生命物質(zhì)之一，少量的這種物質(zhì)對生命體的生長和活動至關(guān)重要，通常從植物食物中取得

來源：
Alteration of vitamine
vitamine的變化
Latin vota [life] * see g wei-
拉丁語 vota [生命] *參見 g wei-
amine [so called because they were originally thought to be amines]
amine [冠以該名稱的原因是最初它們被認(rèn)為是胺]

【引伸】
vi.tamin.ic
adj.（形容詞）