’t carry the same kinds of gas-forming bacteria in their stomachs and intestines (肠) to help break down... their stomachs to feed their babies. This suggests that they may also be able to bring up other ……

Honeybees have two stomachs (胃). ……

Ants have two stomachs (胃). ……

down our stomachs, while making air go up and get out of our mouths. However, in space... and drinks down our stomachs, while making air go up and get out of our mouths. However, in space ……

the same way? Actually, the ways they sleep are much more different – they can lie down, sit or stand... with short legs sleep on their stomachs (趴着睡). Their body shape is perfect for this posture. They also ……

even help us lose weight.When we eat, it takes up to 20 minutes for our brains to get the signal that our stomachs are full. During this 20-minute period, we are more likely to eat more than we need ……

First, the waiter stuck the match into the lemon wedge, so that it would stand up straight. Then he lit the match and put it in the middle of the plate with the lemon. He placed the glass upside-down ……

kilometers into the sky!But space is much, much higher. It starts 100 kilometers up. That fart is big, but not big enough to reach space!But space is much, much higher. It starts 100 kilometers up. That fart ……

food and drinks down our stomachs (胃). It also makes air go up and get out of our mouths... to burp (打嗝) nicely. On Earth, gravity helps pull food and drinks down our stomachs (胃). It also ……

higher. It starts 100 kilometers up. That fart is big, but not big enough to reach space!But space is much, much higher. It starts 100 kilometers up. That fart is big, but not big enough to reach space ……

into the lemon wedge, so that it would stand up straight. Then he lit the match and put it in the middle of the plate with the lemon. He placed the glass upside-down over the match. As the flame (火焰 ……

the England/Japan Women's World Cup match in Shanghai. He enjoyed the game and loved watching the interaction... of the live-game experience as standing up and cheering.The tradition began with baseball, a sport ……

are their stomachs different from ours? Marc Levine, a scientist at University of Pennsylvania, US, has found that competitive eaters have stomachs that can expand like a balloon, according to The Wall Street Journal ……

of the plate. He placed the glass upside down over the match. As the flame used up the oxygen...A man in a restaurant asked a waiter for a juice glass, a dinner plate, water, a match, and a thick ……

Astronauts in space cannot belch (打嗝). Without gravity, gas cannot separate from liquids in their stomachs. ……