Data Sources & Licenses
Tsubu's vocabulary, examples, and pronunciation are built on excellent open language resources. We gratefully acknowledge the following, used under their respective licenses.
JMdict / EDICT — dictionary data
© Electronic Dictionary Research and Development Group (EDRDG) · Creative Commons Attribution-ShareAlike 4.0 (CC BY-SA 4.0)
Japanese word entries and readings derive from the JMdict project. Project · Licence
Tatoeba — example sentences
© Tatoeba contributors · Creative Commons Attribution (CC BY)
Some example sentences are sourced from the Tatoeba corpus. tatoeba.org
Kuromoji — reading annotations (furigana)
© Atilika Inc. and contributors · Apache License 2.0
Furigana / reading segmentation is generated with the Kuromoji Japanese morphological analyzer. atilika.org
Tanos — JLPT level references
© Jonathan Waller
JLPT level groupings reference vocabulary and grammar lists compiled by Tanos. tanos.co.uk/jlpt
Google Cloud Text-to-Speech — pronunciation audio
Audio synthesized with Google Cloud TTS (Neural2 voices), used under the Google Cloud Platform terms.
Word and example-sentence pronunciation is pre-generated and bundled with the app.
Meanings (Chinese / English translations) and many curated examples and question items are original to Tsubu. None of the above sources involve transmitting any user data.
数据来源与许可
Tsubu 的词条、例句与发音建立在优秀的开放语言资源之上。在此对以下来源致谢，均按其各自许可使用。
JMdict / EDICT — 词典数据
© 电子词典研究与开发组（EDRDG）· 知识共享 署名-相同方式共享 4.0（CC BY-SA 4.0）
Kuromoji — 注音（振假名）
© Atilika Inc. 及贡献者 · Apache License 2.0
振假名 / 读音切分由 Kuromoji 日语形态素分析器生成。 atilika.org
Google Cloud Text-to-Speech — 发音音频
发音由 Google Cloud TTS（Neural2 嗓音）合成，按 Google Cloud 平台条款使用。
单词与例句发音为预先生成并随 App 内置。
中文 / 英文释义，以及大量精选例句与题目，为 Tsubu 原创。以上来源均不涉及传输任何用户数据。