How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a

发表于:2018-12-31 / 阅读(50) / 评论(0) 分类 英语听力文摘 English Digest

Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik

发表于:2018-12-31 / 阅读(68) / 评论(0) 分类 英语听力文摘 English Digest

Why Do Golf Balls Have Dimples? Youre out on the golf course one pleasant afternoon. Your ball is set on the tee. You lean over the ball. You grip the club just right. Your arms are straight. Your stance perfect. Whoosh! You swing, and the ball takes

发表于:2018-12-31 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest

鞋类包装英语

发表于:2019-02-02 / 阅读(144) / 评论(0) 分类 英文语法词汇

What Are Calluses And How Are They Formed? 皮肤上的茧是如何形成的? 人体皮肤由于劳动过程长期摩擦造成皮肤表皮细胞坏死而形成的,主要出现于手掌、足掌等部位。长时间的受到磨檫,组织细胞的老

发表于:2019-02-24 / 阅读(65) / 评论(0) 分类 英语听力文摘 English Digest