crowded单词相关例句：

The hall was crowded to the door.

门厅里挤满了人， 直挤到门口。

The warm region is crowded with birds.

温暖的地区鸟类云集。

The platform was crowded and he was not able to get on the first train.

站台很拥挤，所以他没能上第一班火车。

Mary and I were segregated in the crowded square.

广场中拥挤的人群把我和玛丽挤散了。

It was hard getting on the crowded street car. 上这种拥挤的车真难。
It's dangerous for an old man to cross such a crowded street. 老人穿过这样拥挤的街道很危险。
It's dangerous for an old man to walk across such a crowded street. 老人穿过这样拥挤的街道很危险。
Let’s shop on Friday. The supermarket will be very crowded on Saturday. 星期五去采购吧，星期六超市人太多了。
析：汉语可说“拥挤的交通、街道、房间、商店等”，而英语中虽然可说 crowded streets / rooms, shops等，但习惯上不说 crowded traffic。
分析：本句中的 they 显然指 buses，因此后半句等于 because buses often have too many passengers。这种说法虽然不算错，但是不地道的，会误导学生，建议改为：because they are often too crowded 或 because they often carry too many passengers。
book单词相关例句：
A good book is a best friend who never turns his back upon us. 一本好书，莫逆之交。
A book is the same today as it always was and it will never change. 一本好书今天如此，将来也如此，永不改变。
A book that remains shut is but a block. 有书闭卷不阅读，无异是一块木头。
A wicked book is the wickeder because it cannot repent. 一本坏书危害无穷。
Judge not a book by its covers. 评价书不能看封面。
That is a good book which is opened with expectation and closed with profit. 好书开卷引人入胜，闭卷使人得益。
Old wood is best to burn, old book to read. 老柴好烧，老书宜读。
Liberty and civilization are only fragments of rights wrung from the strong hands of wealth and book learning.——Wendel Dhillips. American Social reformer  自由和文明不过是从有钱人和读书人有力的手中强夺过来的一些权利的碎片。美国社会改革家菲利斯 .W.  
There is a great deal of difference between the eager man who wants to read a book, and the tired man who wants a book to read. 渴望求知的人需要读书，累得疲劳的人也需要书读，两种人的要求有很大的区别。
This book is full of the wisdom of Confucius.
这本书里蕴含着孔子的智慧。