Here's why:
* The vowel sound in "bottle" is a short "o" sound, similar to the "o" in "hot" or "cot."
* Long vowel sounds are typically represented by a single vowel letter followed by a silent "e" at the end of the word (like "bike" or "hope"), or by a vowel digraph (like "rain" or "boat").
Let me know if you'd like to explore other vowel sounds!