SUN ZHEN / USING AI 为什么手在水里泡久了会皱？为什么手在水里泡久了会皱？Have you noticed that your fingers get wrinkly... that your fingers get wrinkly (皱的) after taking a shower or swimming for a long time? Do you know ……

or eat salty food, we lose water, and our brain tells us to drink. Drinking water makes us feel good.... Drinking water makes us feel good because our brain quickly lets out a chemical (化学物质) called ……

Bieber shared their wrinkly (有皱纹的), grey-haired selfies (自拍) on social media.FaceApp helps us stop...的) fiction, not realized and therefore unreal,” US author Nicci Gerrard told The New York Times. “We ……

). It makes up 99 percent of all liquid freshwater (液态淡水) on Earth.You see water everywhere, in oceans... of years. Learning about it tells us more about how life evolved (进化) on Earth.The water stays ……

. Drinking water makes us feel good because our brain quickly lets out a chemical called dopamine (多巴胺). This makes us feel happy. It takes about 30 minutes for our body to take in the water ……

, with pink, wrinkly (褶皱的) skin and large teeth.It can survive for years in harsh (严酷的) conditions... at the University of Texas, US, wrote in a study on naked mole rats.She added that studying the animal may ……

cars, factories, farms and homes makes our rivers and lakes dirty.When we don’t take care of our water, we are hurting everyone. It’s time for us to use water in a smart way. All of us should try to save ……

神奇的“生命吸管”THIS is a LifeStraw. It makes it safe to directly drink from water. It can filter out (过滤) 99% of the germs (细菌) in water. It was invented to help people in poor countries without clean ……

神奇的“生命吸管”。THIS is a LifeStraw. It makes it safe to directly drink from water. It can filter out (过滤) 99% of the germs (细菌) in water. It was invented to help people in poor countries without clean ……

1. What kills kings,what makes mountains crumble (瓦解),and makes all life come to an end?2. It’s so... a small thing left out in the sun.It’s so wonderful and gives us the power to have fun.What is it?3. I ……

, China, India, Russia and the US, we use far too much water. This, combined with the pouring ofuntreated(未经处理的) industrial waste, makes water shortage one of the most important problems of the day.Drying ……

Let’s enjoy our bath by listening to the radio! This radio doesn’t need electricity (电). Water makes it work. Cool! ……

, India, Russia and the US, we use far too much water. This, combined with the pouring ofuntreated(未经处理的) industrial waste, makes water shortage one of the most important problems of the day.Drying up ……

, India, Russia and the US, we use far too much water. This, combined with the pouring ofuntreated(未经处理的) industrial waste, makes water shortage one of the most important problems of the day.Drying up ……

). The RainStick Shower can help us save about 80 percent of water when showering. It collects (收集... to take a shower (淋浴). The RainStick Shower can help us save about 80 percent of water when ……