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New
可先免费浏览全部内容；注册后学习进度才会被保存。
访客模式：可浏览全部内容。注册后将记住单词、例句、小说与美剧学习进度。
免费注册搜索全词库（不受上方分类限制）；Focus/Explore 的 Category 与 Sentences 的例句分类分开记忆。
You've marked every remaining word as known.
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No sentences in this category.
搜索：免费用户仅限词库已有词；会员可在线添加新词至「我的词库」。Focus = 按分类刷词；Explore = 点击近义/反义分支。
Mastery (each time a word appears on screen): New → Learning (1×) → Familiar (3×) → Solid (6×) → Ready (10×) → tap Known when done.
单词/例句可各自设口音；也可在下方 Advanced 里选手动 voice。