Agent 会自己调工具：标注生词、清理正文、带着你的阅读历史答疑，并在你即将遗忘时把词送回来。
Urban jackdaws have begun to flourish繁盛 in ways that surprise even the researchers who track追踪 them, treating our leftovers as a reliable harvest收成.
What began as an accident of geography now looks like a strategy — smaller ranges, later foraging hours, a bolder attitude to the people they live beside.
生词从被标注到进入长期记忆，共五步
无需任何操作。已掌握的词不会标出。
广告与侧栏退场，支持逐句朗读。
释义、音标，以及它在这句里的用法。
它调出你上周读过的那篇：thrive 当时就是你划的。
放回你当初读到它的那句话里。
Urban jackdaws have begun to flourish繁盛 in ways that surprise even the researchers who track追踪 them. In cities from London to Berlin, they have learned to read our bin collections, to time their visits to the market squares, and to treat our leftovers as a reliable harvest收成.
What began as an accident of geography now looks like a strategy. The animals are not merely surviving the city; they are being shaped by it — smaller ranges, later foraging hours, a bolder大胆的 attitude to the people they live beside.
Urban jackdaws have begun to flourish in ways that surprise even the researchers who track them.城市里的寒鸦开始繁盛起来，连长期跟踪它们的研究者都感到意外。
In cities from London to Berlin, they have learned to read our bin collections, to time their visits to the market squares, and to treat our leftovers as a reliable harvest.
What began as an accident of geography now looks like a strategy. The animals are not merely surviving the city; they are being shaped by it.
多指生物或事业在合适的环境里旺盛地长起来。
Urban jackdaws have begun to ? in ways that surprise even the researchers.
以 Agent 为中心的八项能力，全部在浏览器扩展内完成
Agent 自行编排 16 个工具：读取学习档案、检索生词、推荐文章、写入生词本。
跨会话持久化阅读历史、薄弱句式与每个生词的复习时点。
从阅读行为直接推断能力档位，不需要你参加考试。
依据记忆衰减曲线计算复习时点，并将生词放回原始语境。
字幕逐词高亮，点击任意句可回跳。
逐句朗读，高亮与语音同步。
选中任意句子就地显示译文，不跳页。
按当前水平自动标出生词，已掌握的不标。