Phonics
- rules
- vowels
- consonants
Vocabulary
- root
- compare, contrast
- extend
- homophonic
- associative memeory
- etymology
- pithy formula
- compose
- grammer
- other
Grammer
Magazine
- Forbes
- NPR
App :
- momo
- YouDao dict
- same root word
- near-synonym
- bilingual examples
- **authoritative example**
- **original voice**