【dropped派生词】在英语学习中，掌握动词的派生词是提高语言表达能力的重要一步。"Dropped" 是动词 "drop" 的过去式和过去分词形式，其派生词包括名词、形容词、副词等不同词性，这些词在实际使用中非常常见。以下是对 "dropped" 相关派生词的总结与分类。
一、总结
"Dropped" 作为 "drop" 的过去式和过去分词，其派生词主要围绕“掉落”、“下降”、“放弃”等含义展开。常见的派生词包括：
- 名词：如 drop, drop-off, dropout
- 形容词：如 dropped, falling, declined
- 副词：如 down, off
- 动词：如 drop, drop out, drop by
这些词在日常交流、写作以及正式语境中都有广泛应用，理解它们的用法有助于更准确地表达意思。
二、派生词表格
| 原词 | 派生词 | 词性 | 含义说明 | 示例句子 |
| drop | drop | 动词 | 放下、掉落 | He dropped the glass. |
| drop | dropped | 形容词 | 落下的、掉下来的 | The dropped ball rolled away. |
| drop | dropping | 名词 | 下降、掉落 | There was a sharp dropping in sales. |
| drop | dropout | 名词 | 退学学生 | She became a dropout after two years. |
| drop | drop-off | 名词 | 减少、下降 | There was a drop-off in customer interest. |
| drop | drop-in | 名词 | 临时来访 | A drop-in visit is welcome. |
| drop | drop-out | 名词 | 退学 | Many students face the risk of drop-out. |
| drop | down | 副词 | 向下 | The bird flew down. |
| drop | off | 副词 | 离开、离开某处 | She went off to work early. |
| drop | drop by | 动词短语 | 顺便拜访 | I'll drop by later. |
| drop | drop out | 动词短语 | 退出、退学 | He decided to drop out of college. |
三、小结
"Dropped" 的派生词不仅丰富了语言表达，也帮助我们更灵活地描述各种情境。无论是日常生活中的简单对话，还是正式场合的书面表达，掌握这些词汇都能提升语言的准确性与自然度。建议通过阅读和写作不断积累和巩固这些词的用法。
