文章列表

• 1.时差N小时 鸟蛋颜色的形成
• Depending on the species, bird eggs can be any color rangingfrom chicken's plain white to a robin's blue, streaked, spotted,bright, pale, and anything...
• 2.时差N小时 猫咪杀手
• They're cute, they're furry and sometimes they like to bringyou dead birds or rodents. That's right, we're talking cats here. 可爱的，毛茸茸的，有时会...
• 3.时差N小时 尿床的困扰
• Never a happy topic, bed wetting is a very distressing problemfor five to seven million American kids. 尿床可是个不愉快的话题。尿床困扰着500万至700万...
• 4.时差N小时 我们见过吗?
• You wake up one morning to find a strange man standing in your kitchen; worse than that, heseems to have made himself completely at home. 你一早醒来，...
• 5.时差N小时 大雁的V字形
• If you've ever seen a bicycle race, you might have noticed the riders lining up behind each other instraight columns. 如果你看过自行车比赛，你或许注意...
• 6.时差N小时 脂肪储存的来龙去脉
• When you eat a fatty food, it moves through the stomach andon to the intestines. 当你食用富含高脂肪的食物时，脂肪通过胃流入肠道。 In the intestines, a...
• 7.时差N小时 地球上最成功的物种
• For many scientists, a species'success is measured by sheer numbers. 对很多科学家来说，一个物种的成功完全取决于数量。 In that case, the most successfu...
• 8.时差N小时 为什么嘴唇会干呢?
• Let's start by reviewing the ways in which the surface of ourlips is different from the surface of the skin on the rest of ourbodies. 首先，我们需要知...
• 9.时差N小时 二氧化碳增加食欲
• Carbon dioxide is a potent greenhouse gas. 二氧化碳是一种强力的温室气体。 Levels of carbon dioxide, or CO2, in the atmosphere are increasing at an unp...
• 10.时差N小时 为什么生孩子很痛苦?
• Don, you sure are lucky don't have to give birth. 唐，你很幸运不用生孩子。 I'm glad we're an intelligent species, but boy, that infant head feelsmight...