===== IPA =====
**What it is:** A symbol system for showing exact pronunciation.  
**What it’s for:** Learn the correct sound even when spelling is confusing.  
**Example:** “ship” /ʃɪp/ vs “sheep” /ʃiːp/

===== How to use IPA =====
  * Learn vowels first (short vs long): /ɪ/ vs /iː/
  * Use a dictionary that shows IPA.
  * Practice by copying the sound, not the letters.

===== Starter vowel pairs =====
  * /ɪ/ (ship) vs /iː/ (sheep)
  * /ʊ/ (full) vs /uː/ (fool)
  * /e/ (bed) vs /æ/ (bad)

===== Hard words (Glossary) =====
  * *symbol* /ˈsɪmbəl/: ký hiệu
  * *exact* /ɪɡˈzækt/: chính xác
  * *spelling* /ˈspelɪŋ/: chính tả
  * *dictionary* /ˈdɪkʃənəri/: từ điển