1. P 所容纳之物，所含之物　 that which is contained in sth
2. P （书等的）内容，目录　 that which is written or spoken about in a book, an article, a programme, a speech, etc.
3. U 容量，含量　 amount of sth contained in sth else

　have ～　有内容
　lack ～　缺乏内容
　look at the ～　看目录
　understand the ～　理解内容
　fat ～　脂肪含量
　iron ～　铁含量
　sugar ～　含糖量
　～ of　…的容量，…的内容
　～ of a book　一本书的内容
　～ of a dictionary　词典的目录
　～ of a note　条子的内容
　～ of a gas tank　车油箱容量

　The drawer had been emptied of its contents.　抽屉已经腾空了。
　She uncorked the bottle and poured out the contents.　她拧开瓶塞，把瓶里的东西倒了出来。
　A bag with its precious contents was missing.　一个装有贵重物品的包不见了。
　He swallowed half the contents of his glass in one gulp.　他一口喝下半杯。
　Look at the contents before you buy the book.　买书前先看一看内容。
　She hadn't read the letter and so was unaware of its contents.　她没有看那封信，所以不知道信的内容。
　He knew by heart the contents of the note.　他背得出这张条子上的内容。
　The Prime Minister declined to go into details on the contents of his talks with the Chancellor of the Exchequer.　首相拒绝谈论与财政大臣会谈的详细内容。
　There is a table of contents in front of a dictionary.　词典的开头有目录。
　The content of your essay is excellent, but it's not very well expressed.　你那篇文章的内容好极了，但是表达方式不太好。
　I like the style of his writing but I don't like the content.　我喜欢他的写作风格，但不喜欢他写的内容。
　We artists should combine healthy political content with finished artistic forms.　我们艺术家们应该把健康的政治内容和完美的艺术形式结合起来。
　I didn't understand the content of his speech.　我没有理解他讲演的要旨。
　A life without success has no content.　没有成就，人生就毫无意义。
　Her life only had content when she was with him.　她只有与他在一起生活时才有意义。
　Oranges have a high vitamin content.　橙子的维生素含量很高。
　Meat is a food with a high fat content.　肉是脂肪含量高的食物。
　High day temperatures increase the sugar content of the grapes.　日间的高温使葡萄中糖的含量增加了。
　The content of the gas tank of this car is 17 gallons.　这辆轿车油箱容量是17加仑。

　他手提箱里装了些什么，十分可疑。
　［误］ The content of his suitcase is doubtful.
　［正］ The contents of his suitcase are doubtful.
　土壤中腐殖质含量很高。
　［误］ Humus contents of the soil is very high.
　［正］ Humus content of the soil is very high.
　［析］ content作“所含之物”解时，通常用其复数形式；而content of表示“…的容量，含量”，应用单数形式。