defective

defective的音标是[dɪˈfektɪv]，基本翻译是“有缺陷的；有瑕疵的”。速记技巧可以是：de-前缀表示“偏离，缺损”+fect-做+ive-形容词词尾。

defective这个词的词源可以追溯到拉丁语中的“defectus”，意为“有缺陷的”。它的词形变化形式主要包括复数形式“defects”，过去分词形式“defective”以及现在分词形式“defecting”。

相关单词：

1. defective（有缺陷的）：这个词直接来自于defective，表示有缺陷的、不完美的。

2. defect（缺陷）：这个词是由“de”+“fectum”构成的，表示“做错”或“缺少的部分”。

3. defectiveness（缺陷性）：这是一个名词形式，用来描述某物具有缺陷的性质或特点。

4. deficite（亏欠的）：这个词来自于拉丁语中的“deficīscus”，表示缺少或不足。

5. defy（公然反抗）：这个词来源于拉丁语中的“defēnō”，意为“使无效”或“使不可能”。

6. defiance（公然反抗）：这个词是由defy派生出来的名词，表示对权威或规则的公然反抗。

7. deflection（偏转）：这个词来自于拉丁语中的“de·flexio”，意为“弯曲”或“转向”。

8. deflate（使泄气）：这个词来自于拉丁语中的“deflātus”，意为“放气”或“使缩小”。

9. deflation（通货紧缩）：这个词是由deflate派生出来的名词，表示经济中通货收缩的现象。

10. defection（背叛）：这个词是由拉丁语中的“defēctus”和“-cō”构成的，表示离开、背叛的行为。

以上这些单词都与defective这个词有着密切的联系，通过了解它们的词源和变化形式，我们可以更好地理解它们的含义和用法。

常用短语：

1. defective in quality

2. defective goods

3. defective parts

4. defective equipment

5. defective software

6. defective design

7. defective process

双语例句：

1. The product is defective and needs to be replaced. (该产品有缺陷，需要更换。)

2. The software is defective and needs to be repaired. (软件有缺陷，需要修理。)

3. The equipment is defective and needs to be repaired or replaced. (设备有缺陷，需要修理或更换。)

4. We can"t accept defective goods as they are not in line with our specifications. (我们不能接受有缺陷的货物，因为它们不符合我们的规格。)

5. We found a lot of defects in the design of the new product. (我们发现新产品的设计有很多缺陷。)

6. The process is defective and needs to be improved. (过程有缺陷，需要改进。)

7. The company has a history of producing defective products due to poor quality control. (由于质量控制不佳，该公司一直生产有缺陷的产品。)

英文小作文：

Title: Defective Products and Their Impact on Business Operations

In today"s business environment, it is essential to ensure the quality of products and services provided to customers. However, sometimes defective products or services can cause significant problems for businesses, affecting their reputation and revenue.

Defective products can result from various factors, including poor manufacturing processes, faulty materials, or inadequate quality control measures. When these products are sold to customers, they may experience problems with their functionality or performance, leading to dissatisfaction and potentially legal issues.

The impact of defective products on business operations can be significant, as they can affect customer satisfaction, revenue, and brand reputation. In addition, correcting these issues can be time-consuming and costly, requiring additional resources and effort from businesses to ensure that they are able to deliver high-quality products and services to their customers.

To avoid these issues, businesses should implement effective quality control measures throughout the entire production process, including proper inspection and testing of products before they are shipped to customers. In addition, businesses should maintain a strong relationship with suppliers to ensure that they are providing high-quality materials and components, and should regularly communicate with customers to address any issues that may arise with their products or services. By doing so, businesses can minimize the impact of defective products on their operations and maintain a strong reputation with their customers.