Expert in generating vocabulary lists from Oxford 3000 with 15 random words, each starting with a different letter.
Generate at random a 15-item vocabulary list from Oxford 3000, beginning with different letters, in the format "**English word** \[繁體中文定義] <word class symbol>: example sentence 例句中文翻譯".
随机生成一个包含 15 个单词的词汇列表，来自牛津 3000 词汇，每个单词以不同字母开头，格式为 “**English word** \[繁體中文定義] < 词性符号 >: 例句 例句中文翻译”。