A language tool which use flash-card inspired repetition to help build your vocabulary in a foreign language.
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/英文/
/英文/
/英文/
/英文/
/中文/
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7.6M/英文/9.8
22.1M/多国语言[中文]/6.0
80.4M/中文/9.1
33M/中文/6.2
3.3M/中文/8.3
3.5M/中文/6.4
55.6M/多国语言[中文]/7.6