He began to run an extremely high temperature.

他开始发严重高烧。

《柯林斯英汉双解大词典》

Extremely high temperature deconstruction (above 700 degrees c) produces gas that can be converted into liquid fuel.

温度最高的工艺(700摄氏度以上)所得到的中间体，可进一步转变成液态燃料。

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Leaf photosynthetic rate decreased significantly and rapidly as plants were subjected to extremely high temperature.

受异常高温的突然袭击后，柑桔叶的光合速率迅速大幅度下降。

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To make a package out of ceramics you have to fire it, like a clay pot, at an extremely high temperature.

FORBES: It's all in the packaging

Dr Michel Alary, an Aids specialist in the department of medicine at Laval University and the Saint-Sacrement Hospital Research Centre, said that the extremely high temperatures in sub-Saharan African countries could prevent the gel working there if it requires room temperature to be effective.

BBC: Condoms