| 81. | a task of extreme difficulty |
| 极端困难的任务
|
| 82. | at the extreme south of South America |
| 在南美的最南端
|
| 83. | take an extreme step |
| 采取极端[激烈]手段
|
| 84. | an extreme opinion |
| 偏激的见解
|
| 85. | withstand extreme heat |
| 经受住酷热
|
| 86. | in this trying period of extreme heat |
| 在这段酷热难熬的时间里
|
| 87. | extreme high vacuum |
| 极高真空
|
| 88. | a gale of extreme and unusual violence |
| 非常猛烈的风暴
|
| 89. | wheel about [around] to the other extreme |
| 转向另一极端
|
| 90. | fall into extreme difficulties [hopeless straits] |
| 陷入极端的困境［绝境］
|