breadth
单词辨析：
指事物的大小、面积、范围或重要性、严重性等的程度。
She is in debt to the extent of 50,000 dollars.
她负债已达5万美元。
We were amazed at the extent of his knowledge.
我们对他知识之渊博感到惊奇。
Business declined to such an extent that the firm had to close.
生意如此惨淡，公司只好停业。
指学科、话题、事件等涉及的范围。
This course covers the psychological area.
这门课程涵盖心理学领域。
She wants to be involved in every area of his life.
她想参与他生活的方方面面。
指事情的极限或可以接受的范围，常用于比喻。
It's beyond the bounds of my ability.
这超出了我的能力范围。
Knowledge knows no bounds.
知识是没有穷尽的。
多指事物的宽度或范围，强调广泛性。
The breadth of the forest is very large.
这片森林覆盖范围很广。
We need to develop the breadth of our knowledge.
我们需要拓宽知识范围。
相关例句：
From his poem we can gain a hint of his breadth of mind.
从诗中可以窥见他的胸怀。
The breadth of the whole camp was 400 paces.
整个营地的宽度为400步。
The group built their reputation by playing across the length and breadth of North America
这个乐队通过到北美各地演出打响了知名度。
We have reached amazing breadth.
我们拓展了惊人的广度。
My wife is a woman of great breadth of mind.
我妻子是一位宽宏大量的女性。
I love you to the depth and breadth and height.
我爱你直到灵魂所及的深度、广度和高度。