For people, they are for eating. But for animals, teeth are good for more than just eating. They might be used for fighting, sending messages, building homes or even cleaning themselves. Many animals use their teeth to fight. Elephants have tusks (长牙) that can grow to be over three ...
Forpeople,theyareforeating.Butforanimals,teetharegoodformorethanjusteating.Theymightbeusedforfighting,sendingmessages,buildinghomesorevencleaningthemselves.Manyanimalsusetheirteethtofight.Elephantshavetusks(长牙)thatcangrowtobeoverthreemeterslong!Theyusethemtoprotectthemselves.Someanimalsusetheirteethtosendmessages....
Over the years, I have written extensively about animal-intelligence experiments and the controversy that surrounds them. Do animals really have thoughts, what we call consciousness?Wondering whether there might be better ways to explore ...
Robots used in medicine are mainly carrying out highly precise and complicated activities and tasks in surgeries or investigations. They revolutionised this filed by having successful results and helping doctors and surgeons in healing illnesses, diseases, and disorders or even disabilities.These robotsare...
您好，这两句话都正确，表达的意思基本相同。“这些是什么动物？”What
One way that scientists can learn about man is by animals, such as mice, rats and monkeys. The scientists in this laboratory are experimenting on mice. They are studying the relationship between diet and health. At this time over 100 experiments are going on in this laboratory. In this expe...
For people,they are for eating.But for animals,teeth are good for more than just eating.They might be used for fighting,sending messages,building homes or even cleaning themselves.(牙齿是用来做什么的?对人来说,它们是用来吃的。但是对于动物来说,牙齿不仅仅是用来吃东西的。它们可能被用于战斗、发送...
Dear A Moment of Science, Besides chimps, which animals do you think are the most likepeople? 亲爱的科学一刻,除了黑猩猩,你认为哪种动物最像人类? Scientists have closely studied prairie dog chirps and found that they're really complex. 科学家仔细研究了草原狗的叫声,发现这很复杂。 You know how...
前者指的是一种，你最喜欢的动物是哪一个；后者是指几个，意思是你喜欢的动物有哪些？前者
Wild animals usually come into cities to look for food. In Cape Town, South Africa, baboons (狒狒) sometimes come into the suburbs. They eat fruit from gardens and go into people's kitchens! Baboons are strong animals and sometimes they scare children and fight with pet dogs. Many people ...