degradative

degradative的音标为[dɪ"greɪdətɪv] ，基本意思是“有破坏性的，退化性的”。其速记技巧是：de-表示“向下”，grade表示“等级，级别”，-ative表示“…的”，所以degradative的意思是使级别下降的。

degradative这个词的词源可以追溯到拉丁语“degradatus”或“degradus”，意为“被贬低”或“被降级”。它的形式变化主要包括复数形式“degradations”和过去分词形式“degraded”。

相关单词：

degradation：贬低，降级；退化。

degrading：贬低的，有损尊严的。

downgrade：降级，使降格。

downgrading：降格，贬低行为。

disgrace：耻辱，丢脸；使失宠。

disgraced：失宠的，受辱的。

这些单词都与degradative这个词源有关，表示贬低、降级、退化等含义。它们在英语中广泛使用，描述各种与下降、堕落相关的概念。

例如，当谈到环境问题时，degradative这个词可以用来描述环境退化、污染等行为。相关单词如environmental degradation，表示环境质量的下降，对生态系统和人类健康造成的影响。此外，degradative还可以用于描述个人品质的下降，如道德品质、精神状态的恶化等。

degradative短语：

1. degradative process：降解过程

2. degradative enzyme：降解酶

3. degradative pathway：降解途径

4. degradative enzyme system：降解酶系统

5. degradative process rate：降解过程速率

6. degradative function：降解功能

7. degradative degradation：降解性降解

双语例句：

1. The environment is undergoing a degradative process due to pollution.

由于污染，环境正在经历一个退化过程。

2. The enzyme is capable of degrading various materials.

这种酶能够降解各种材料。

3. The product of the degradation pathway is toxic and degradative.

该降解途径的产物是有毒的和退化的。

4. The degradative enzyme system in the soil breaks down organic matter.

土壤中的降解酶系统分解有机物。

5. The process of degradative degradation is irreversible.

降解性降解的过程是不可逆的。

6. The environment is being degraded at an alarming rate.

环境的退化速度令人震惊。

7. The use of pesticides can lead to the degradative of the soil.

使用农药会导致土壤退化。

英文小作文：

Degradation of the Environment

The environment is constantly being degraded due to various factors such as pollution, deforestation, and climate change. This degradation has a negative impact on the quality of life and the sustainability of our planet. It is essential to take measures to prevent further degradation and restore the environment to its natural state. We must conserve our resources, reduce our carbon footprint, and adopt sustainable practices to ensure a healthier future for ourselves and future generations.