noun 下载 🔗分享 大写字母 An upper-case letter (A, B, C, ... as opposed to a, b, c, ...), used for emphasis, for starting sentences and proper names, etc. Examples : "My teacher told us to write the title of our essay in capital letters. " 我的老师告诉我们用大写字母写论文的标题。 grammar writing language word 与AI对话词汇游戏阅读练习