Why does your mouth feel like it's on fire when you eat a spicy pepper? 为什么吃辣椒时嘴里像是着了火一样? And how do you soothe the burn? 怎样才能缓解这种灼烧感? Why does wasabi make your eyes water? 为什么芥末酱能

发表于:2018-12-18 / 阅读(33) / 评论(0) 分类 TED演讲教育篇

This is Scientific American's 60-Second Science. I'm Steve Mirsky at the Lindau Nobel Laureate Meeting in Lindau Germany.This will just take a little more time than our usual minute. Oliver Smithies won the Nobel Prize in Physiology or Medicine in 20

发表于:2018-12-24 / 阅读(33) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Take a deep breath. Taste anything? Actually, your lungs may, because scientists have discovered that the same receptors that exist on the tongue to tast

发表于:2018-12-24 / 阅读(42) / 评论(0) 分类 Scientific American(十)月

5. The brain finds it best to keep smell receptors available for unfamiliar and emergency signals such as the smell of smoke, which might indicate the danger of fire. 【分析】复合句。句子主干为 The brain finds it best to keep smell recep

发表于:2018-12-30 / 阅读(41) / 评论(0) 分类 考研英语长难句讲解

(woman) This room is devoted to electric fish. The eel in the tank behind me can produce a strong jolt of electricity to stun its prey, but most of the fish in here produce only weak electrical impulses that are useful for navigating, locating food,

发表于:2018-12-30 / 阅读(43) / 评论(0) 分类 托福听力短文

You might as well face it ... / 你或许也会面对它…… Sex stimulates the release of vasopressin and oxytocin in people, as well as voles, though the role of these hormones in the human brain

发表于:2019-02-04 / 阅读(84) / 评论(0) 分类 阅读空间