含“full of hot air”的英语例句

Don't listen to her! I promise you; she's just full of hot air.
从英语翻译成西班牙语

Hot air expands and spreads out and it becomes lighter than cool air. When a balloon is full of hot air it rises up because the hot air expands inside the balloon.
从英语翻译成西班牙语

Did the salesman tell you anything new, or was he just full of hot air?
从英语翻译成西班牙语