重 点
You use of to combine two nouns when the first noun identifies the feature of the second noun that you want to talk about. 用以连接2个名词，其中第1个名词指明第2个名词的特征
preposition [方式和原因] 属于；…的；…的一部分；住在（某地）；关于；由…组成的；因为；（表示人或事的时空位置）在，当
The average age of the women interviewed was only 21.5. 受访女性的平均年龄只有21.5岁。
- of 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 025&26 Mrs. Smith’s kitchen of 介词: (属于)…的
- Lesson 047&48 A cup of coffee
- Lesson 105&106 Full of mistakes
- Lesson 33 Out of the darkness
- Lesson 49 The end of a dream
- Lesson 74 out of the limelight
- Lesson 86 Out of control
- 网友用 “Of” 造句精选
- a collection of short stories 一部短篇小说集
- the worth of their music 他们音乐的价值
- At about a quarter of eight in the evening Joe Urber calls. 在晚上大约八点差一刻时乔·乌尔贝打了电话。
- a roomful of people 一屋子人
- the problem of having a national shortage of teachers 一个全国性教师短缺问题
- loose-fitting garments of linen 宽松的亚麻衣服
- the governor of Missouri 密苏里州州长
- the population of this town 这个城镇的人口