cash crops音標為：["k?? kru?p?z]；

基本翻譯為“經濟作物”；

速記技巧為：cash（現金）和crop（作物）組合起來就是經濟作物。

Cash crops這個詞的詞源可以追溯到拉丁語和英語，具體來說，它來自于“現金”這個詞。這個詞最初是指那些可以快速轉化為現金的農作物，如棉花、咖啡、可可等。

cash crops的變化形式主要是添加或刪除詞綴，如“cash”可以變為“cashable”，表示可兌換的；“crops”可以變為“crop”或“crop-yield”，表示農作物產量。

相關單詞：

cotton（棉花）：這個詞直接來自于cash crops，是cash crops的一種典型代表。棉花是一種重要的經濟作物，在工業和紡織業中都有廣泛應用。

coffee（咖啡）：咖啡也是一種常見的cash crop，它是一種熱帶地區的經濟作物，也是世界上最重要的貿易商品之一。

cocoa（可可）：可可也是一種cash crop，它和咖啡一樣，也是一種熱帶地區的經濟作物。

sugar（糖）：這個詞來源于甘蔗這種經濟作物，而甘蔗就是一種典型的cash crop。

maize（玉米）：玉米也是一種重要的經濟作物，它也是cash crops的一種代表。

grain（谷物）：這個詞也是來源于cash crops，因為許多農作物都可以被制成面粉等食品，從而轉化為現金。

cash-crop（現金作物）：這是一個合成詞，表示一種可以快速轉化為現金的農作物。

cash-cropping（現金耕作）：這個詞表示對現金作物的種植和管理方式。

以上這些單詞都是cash crops的典型代表，它們反映了經濟作物在歷史和現代社會中的重要地位和作用。

常用短語：

1. cash crop farming

2. cash crop production

3. cash crop planting

4. cash crop value

5. cash crop yield

6. cash crop sales

7. cash crop profit

雙語例句：

1. The farmers in our area specialize in cash crops such as cotton and soybeans.

2. The government is investing in cash crop production to boost the local economy.

3. Cash crop yields have increased significantly in recent years due to improved farming techniques.

4. The cash crop sales are expected to generate a significant amount of revenue for the local community.

5. Cash crops are a profitable source of income for many farmers, especially in rural areas.

6. Cash crop profits are essential for many smallholder farmers to sustain their livelihoods.

英文小作文：

Cash Crop Farming: The Key to Sustaining Rural Communities

Cash crops play a crucial role in rural communities, providing a source of income and sustenance for many farmers. From cotton to soybeans, these crops are a profitable means of generating revenue and ensuring food security for families.

Cash crops not only provide farmers with a reliable source of income but also contribute to the local economy by stimulating job opportunities and boosting the purchasing power of the community. Through cash crop sales, farmers can access markets and expand their businesses, leading to increased prosperity for the entire community.

Moreover, cash crops play a vital role in environmental conservation by reducing soil erosion and conserving water resources. By adopting sustainable farming methods and diversifying cash crop planting, farmers can ensure that their crops not only provide a source of income but also contribute to the sustainability of the environment.

In conclusion, cash crops are a crucial component of rural communities, providing a source of income, job opportunities, and environmental sustainability. By investing in cash crop production and promoting sustainable farming methods, communities can ensure that their resources are utilized effectively and contribute to the overall well-being of the region.