Cách phát âm /r/ và /l/

The The R consonant, tongue point consonant, hug the inside of the upper back teeth with the back of the tongue while the tip of the tongue curls upwards. Now, the strongly vibrating American R tends to pull entire words back into the throat. Feel the throaty vibration pulled forward by tonal action onto the hard palate. So, not radio, radio, not running, but radio, running. R, R, R, R. Now, feel the strongly vibrating R on the hard palate. Reporter, running, radio, waitress, photographer. Regular, carrying, red, refrigerator, raining. Feel the vibrating R in these sentences. The reporter was running around the radio station. The waitress brought the photographer while it's raining. That's the wrong sentence. I know what the sentence should be. The waitress brought the photographer his regular order. That's it. Okay. The waitress brought the photographer his regular order. The waitress brought the photographer his regular order. I'm not carrying that red refrigerator while it's raining. I'm not carrying that red refrigerator while it's raining. Consonant L, tongue tip to gum ridge liquid. Place the tip of the tongue on the upper front gum ridge and let the vocal resonance come through. Tip of the tongue to the upper front gum ridge. A light touch, as little tongue touching the gum ridge as possible. However, if you have difficulty, place the whole rim of the tongue on the upper gum ridge like you do for the N. Then loosen all of it except just for the tip. What you have left is the L. So feel the N. Leaving just the tip there. You feel a vowel-like resonance only impeded by the tongue position. All right. Sustain the L in these words. School, ball, hospital, file, list. Illness, cold, milk, ailment, feel. After school, they played ball. After school, they played ball. The hospital files list all my illnesses. And to convey meaning, the hospital files list all my illnesses. Drink cold milk for your ailment and you'll feel better. Drink cold milk for your ailment and you'll feel better.