When we pronounced/b/sound is oscillation of path, but when we pronounced/p/does not shake of the sound. Let's listen and watch again (pronounced/b/and/p/)
When we pronounce / b / a vibration of the vocal cords. But when we pronounce / p / no vibration of the vocal cords. Take a listen and see again (to pronounce / b / and / p /).
When we pronounce / B / a vibration of the vocal cords. But when we pronounce / P / no vibration of the line was broken. Listen to and observe how again (accent / B / and / P /).