文章列表

• 1.时差N小时 太空中进餐
• In the 1960s, during the earliest space flights, no one knew exactly how weightlessness would affect eating and drinking. 早在20世纪60年代，也就是人类...
• 2.时差N小时 树叶与太阳能板
• What do leaves and solar panels have in common? 树叶和太阳能板有哪些共同之处呢？ Both absorb sunlight and turn it into energy. 它们都能吸收阳光并将之...
• 3.时差N小时 你能沉迷于巧克力吗?
• As Robert Palmer sang in the mid 80s,You might as well faceit, you're addicted to love. 80年代中期的罗伯特帕尔默曾经唱道：承认吧，你已坠入爱河。 While...
• 4.时差N小时 鱼儿喝水吗?
• Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. 水通过渗透作用进入鱼儿的身...
• 5.时差N小时 蜘蛛丝是什么?
• What's five times as strong as steel, twice as tough as Kevlar,and can be stretched over thirty percent in length withoutbreaking? 什么东西的强度是钢...
• 6.时差N小时 我们为什么要刷牙?
• Humans may be no less a part of the animal kingdom than lions,tigers and bears, but certain things set us apart. 或许人类的动物属性一点也不比狮子、老...
• 7.时差N小时 白金为何是白色的?
• Many people associate the metal gold with the color gold. 很多人都认为金子就应该是金色。 But,some gold jewelry is not golden at all: it's white. 但一...
• 8.时差N小时 粉刺的学问
• Acne:the scourge of adolescence. 粉刺:青春期的灾难。 Most people endure it atsome point, and can't wait to be rid of the combination of whiteheads, bl...
• 9.时差N小时 午休的学问
• When you go back to work or class after lunch, why is it sohard to stay awake? 当我们用完午餐回去工作或上课时，为什么很难保持清醒呢？ Although we get ...
• 10.时差N小时 亚硫酸盐是什么?
• You've just opened a bottle of wine for dinner. 设想一下，你在晚餐时刚刚打开了一瓶酒， On the label,you see these words: Contains Sulfites. 你会在酒瓶...