. 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 ……

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 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 ……

. 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 ……

. It is estimated that there are almost 1 million pieces of chewed-up gum on the wall. The wall itself spans 50... commented online: “My stomach did a *cartwheelwhen I saw this because it seemed *gross. But it was fun ……

fast, you may end up eating more food than you need. This is because your stomach needs time to let... minutesThe answer is B. When you eat very fast, you may end up eating more food than you need ……

way around. What’s more, he only speaks a few words of English.”The judge looked at the defendant (被告) and asked, “How much English can you speak?The defendant looked up and said, “Give me your wallet!” ……