. When you wake up and sit straight, your stomach has to get all the air out. This is why you burp...的), the “lid” stays open. The air just goes freely into your stomach. When you wake up and sit straight ……

：a watermelon    A 10-year-old kid’s stomach can hold up to 1300 ml of food.A 10-year-old kid’s stomach can hold up to 1300 ml of food.  How does it grow?How does it grow ……

just flows (流动) freely into your stomach. When you wake up and sit straight, your stomach has to get... stomach. When you wake up and sit straight, your stomach has to get all the air out. This is why ……

The teeth of a lobster (龙虾) are in its stomach (胃). ……

A lobster’s (龙虾的) teeth are in its stomach (胃). ……

and stomach closes. So even if you’re upside down, food won’t come back up. Once food reaches....C. Because the “gate” between your mouth and your stomach closes.C. Because the “gate” between your ……

the esophagus and stomach closes. So even if you’re upside down, food won’t come back up. Although... come back out.C. Because the “gate” between your mouth and your stomach closes.C. Because the “gate ……

The starfish is the only animal that can turn its stomach inside out. ……

The starfish is the only animal that can turn its stomach inside out. ……

If your cat eats grass, it means its stomach is upset (不舒服). ……

The starfish is the only animal that can turn its stomach inside out. ……

(液体), it doesn’t easily come back out.C.  Because the “gate” between your mouth and your stomach closes.C.  Because the “gate” between your mouth and your stomach closes.D.  Because ……

the Spring Festival holiday? You may feel like your stomach is going to explode, but that is not surprising, as the science website Nova has pointed out that the human stomach may not have as much ……

// (副词) 真正地truly // (副词) 真正地Phrases Phrases make up 编造故事make up 编造故事see sb... things up about China?3. Why do some people think Marco Polo made things up about China?a. He often ……

. And as the soda warms up while traveling through your stomach, the gas continues to vaporize (蒸发). Any... eat the two together. But some people say that combining them could make your stomach explode ……