defoliant

defoliant的音标是[dɪ"foʊlɪənt]，基本翻译是“脱叶剂”。速记技巧可以是将其中的字母拆分并尝试记忆。

Defoliant的英文词源可以追溯到拉丁语词根“de”和“folium”，意为“叶子”或“植被”。这个词源可以解释为“除去叶子的物质”。

变化形式：名词形式为defoliant，形容词形式为defoliating。

相关单词：

Defoliation：意为“脱叶”，是一种植物学上的过程，指植物从其叶子中除去部分或全部叶子。

Leaflet：意为“传单”或“宣传册”，因为这些小册子通常用于宣传或解释某种观点，与defoliant有相似的含义。

Desolate：意为“荒凉的”或“孤独的”，这个词源于拉丁语词根“de”和“solus”，与defoliant有相似的含义，都表示去除植被或使土地变得荒凉。

Desiccate：意为“干燥”或“枯萎”，这个词源于拉丁语词根“de”和“sido”，与defoliant有关，因为去除植被可能会导致植物的干燥和枯萎。

Eradicate：意为“根除”或“消灭”，这个词源于拉丁语词根“eradico”，表示完全消除某种东西。

Deciduous：意为“落叶的”或“非永久的”，这个词源于拉丁语词根“de”和“cidere”，表示植物的叶子在特定条件下会脱落。

Foliar：意为“叶子的”或“叶面上的”，这个词源于拉丁语词根“folium”，表示与叶子相关的。

Leaf-eating：意为“吃叶子的”，这个词与defoliant相关，因为这种动物可能会吃掉植物的叶子。

Leaf-cutting：意为“切叶的”，这个词与defoliant相关，因为这种行为可能会涉及到去除植物的叶子。

常用短语：

1. defoliate the trees

2. defoliate the plants

3. defoliate the crops

4. defoliate the grassland

5. defoliate the forest

6. defoliate the mountains

7. defoliate the plants in a hurry

双语例句：

1. The farmer used herbicide to defoliate the trees in his orchard. (英语)

2. The drought has defoliated the crops in the fields. (英语)

3. The forest was defoliated by a severe storm. (英语)

4. The grassland was defoliated by the harsh winter. (英语)

5. The children quickly defoliated the plants to make a fire. (双语)

6. The farmer is trying to defoliate the trees in his orchard to make way for new ones. (双语)

7. The defoliant used in the war caused widespread damage to the environment and human health. (双语)

英文小作文：

Defoliant: A Tool of Destruction or a Necessary Evil?

Defoliant is a chemical or biological agent used to remove the leaves of plants, usually for the purpose of farming or environmental management. It can be a controversial tool, as it can cause harm to human health and the environment, but it is also a necessary tool for maintaining a sustainable agricultural system and environmental balance.

On one hand, defoliant can help farmers to harvest crops more efficiently by removing the leaves that might interfere with harvesting equipment or hinder plant growth. It can also help to reduce weeds and improve soil fertility by removing competing plants. However, it can also cause harm to human health and the environment if used improperly or in large quantities.

On the other hand, defoliant can be used as a tool for environmental management, such as removing invasive plants that might harm biodiversity or block waterways. It can also be used as a tool for conservation, such as removing trees that might be damaged by wildfires or other natural disasters and allowing new growth to take place.

Therefore, defoliant is a tool that can have both positive and negative impacts, depending on how it is used and under what circumstances. It is important to use it responsibly and in a sustainable manner to minimize its negative impacts and maximize its positive impacts on society and the environment.