| 81. | within the extent of human knowledge |
| 在人类知识范围内
|
| 82. | the extent of one's patience |
| 忍耐程度
|
| 83. | extent of error |
| 误差量
|
| 84. | extent the range of choice |
| 扩大选择范围
|
| 85. | carry this matter to a foolish extent |
| 把这事弄到荒谬的地步
|
| 86. | stretch out one's legs to their full extent |
| 把双腿伸直
|
| 87. | maps showing the extent of the Roman Empire at different dates |
| 标明不同时期的罗马帝国疆域的地图
|