降低温度的英文：
reduction of temperature

reduction是什么意思：
n. 减少；缩小；降低；简化；还原（作用）

This is a reduction procedure.
这是个简化方案。

A drive for cost reduction is announced.
宣布开展降低成本的竞赛。

The major reason for the reduction of family size is a reduction in the number of births.
家庭规模缩小的主要原因是生育子女数量的减少。

Oxidation cannot occur without reduction.
没有还原反应就没有氧化反应。

A reduction or depreciation of the entered value of an item.
已收入款项的帐面价值的减低

temperature是什么意思：
n. 温度，气温；高烧，发烧，发热；体温

The temperature climbed.
温度慢慢上升。

stack temperature
锅炉炉身温度

The capacitor surface temperature will not exceed the upper rated temperature.
电容器表面温度不许超过额定上限温度。

The laboratory is kept at a uniform temperature.
实验室保持恒温。

The opacity is a function of temperature and wavelength
暗度是温度与波长的函数。