Here's why:
* The Schwa Sound: The schwa sound is a very common, unstressed vowel sound in English. It's represented by the symbol "ə". It sounds like a very short, neutral "uh".
* "Flammable": In the word "flammable", the "a" in the first syllable is unstressed. This means it is pronounced with the schwa sound.
So, the pronunciation of "flammable" is roughly: ˈflæ.mə.bəl
Let me know if you have any other words you'd like to check for the schwa sound!