输入一个拼音，看中文如何展开。
Explore
Pick a route, then unfold a pinyin ball.
Start with one pinyin and its tone paths.
先看一个拼音如何因声调改变意思。
Compare sounds that learners often mix up.
对比容易听混的两个声音。
One sound can point to different characters and words.
同一个声音，连接不同汉字和词。
Focus on endings such as n and ng.
重点分清 n、ng 等韵尾变化。
Compare different initials with the same final.
同一个韵母下，对比不同声母。
Grow common words from a core character.
从核心汉字展开常用词。
Learning trail
0
Started
Saved
Done
Pick a route above. 从上方路线开始。
Recent
Explored pinyin will appear here. 探索过的拼音会出现在这里。
Favorite balls will stay here. 收藏的知识球会留在这里。
Review next
Open a ball, visit words, then review from here. 打开知识球后，这里会出现复习入口。
Coming soon
Start with a lesson