【英语时差8，16】恐惧的解析
时间：2019-02-15 作者：英语课 分类：英语时差8，16
英语课
Don and Ya?l quickly run through what happens in your body when you're frightened. D: The anatomy 1 of fear, on this Moment of Science.
Y: One nice day you're walking along a wooded path. You come around a corner and there, coiled in the path, is a huge rattlesnake, it's rattles 2 abuzz. You are deathly afraid of snakes.
D: Various parts of the brain signal the nervous systems and organs to prepare to take action. The pupils of the eyes dilate 3, the thyroid gland 4 raises the resting metabolic 5 rate, the bronchioles in the lungs dilate to admit more oxygen, hairs stand on end, heart rate and blood pressure rise to supply the body and brain with fuel.
Y: The liver begins to break down sugars for quick energy, blood vessels 6 in the skin contract causing chills and sweating, the spleen pumps out white blood cells in case there is an injury, stomach and intestine 7 enzyme 8 secretion 9 and muscle activity needed for digestion 10 stop, and blood vessels in the stomach and intestines 11 contract to divert blood to the muscles.
D: The bladder and colon 12 prepare to empty, the central portion of the adrenal medulla floods the bloodstream with adrenaline and noradrenaline, constricting 13 the blood vessels, breathing quickens. The entire body is in a state of high alert, ready to stay and fight or say "Feet don't fail me now."Y: Did you follow all that? Of course not, but all that, and more, happens in your body within seconds of your sensing a threat.
D: It makes us tired just thinking about it
n.解剖学，解剖；功能，结构，组织
- He found out a great deal about the anatomy of animals.在动物解剖学方面，他有过许多发现。
- The hurricane's anatomy was powerful and complex.对飓风的剖析是一项庞大而复杂的工作。
（使）发出格格的响声， （使）作嘎嘎声( rattle的第三人称单数 )； 喋喋不休地说话； 迅速而嘎嘎作响地移动，堕下或走动； 使紧张，使恐惧
- It rattles the windowpane and sends the dog scratching to get under the bed. 它把窗玻璃震得格格作响，把狗吓得往床底下钻。
- How thin it is, and how dainty and frail; and how it rattles. 你看它够多么薄，多么精致，多么不结实；还老那么哗楞哗楞地响。
vt.使膨胀，使扩大
- At night,the pupils dilate to allow in more light.到了晚上，瞳孔就会扩大以接收更多光线。
- Exercise dilates blood vessels on the surface of the brain.运动会使大脑表层的血管扩张。
n.腺体，(机)密封压盖，填料盖
- This is a snake's poison gland.这就是蛇的毒腺。
- Her mother has an underactive adrenal gland.她的母亲肾上腺机能不全。
adj.新陈代谢的
- Impressive metabolic alternations have been undergone during embryogenesis.在胚胎发生期间经历了深刻的代谢变化。
- A number of intoxicants are associated with metabolic acidosis.许多毒性物质可引起代谢性酸中毒。
n.血管( vessel的名词复数 )；船；容器；（具有特殊品质或接受特殊品质的）人
- The river is navigable by vessels of up to 90 tons. 90 吨以下的船只可以从这条河通过。 来自《简明英汉词典》
- All modern vessels of any size are fitted with radar installations. 所有现代化船只都有雷达装置。 来自《现代汉英综合大词典》
adj.内部的；国内的；n.肠
- This vitamin is absorbed through the walls of the small intestine.这种维生素通过小肠壁被吸收。
- The service productivity is the function,including external efficiency,intestine efficiency and capacity efficiency.服务业的生产率是一个包含有外部效率、内部效率和能力效率的函数。
n.酵素，酶
- Above a certain temperature,the enzyme molecule will become unfolded.超过一定温度，酶分子将会展开。
- An enzyme that dissolves the fibrin of blood clots.能溶解血凝块中的纤维的酶。
n.分泌
- Is there much secretion from your eyes?你眼里的分泌物多吗？
- In addition,excessive secretion of oil,water scarcity are also major factors.除此之外，油脂分泌过盛、缺水也都是主要因素。
n.消化，吸收
- This kind of tea acts as an aid to digestion.这种茶可助消化。
- This food is easy of digestion.这食物容易消化。
n.肠( intestine的名词复数 )
- Perhaps the most serious problems occur in the stomach and intestines. 最严重的问题或许出现在胃和肠里。 来自辞典例句
- The traps of carnivorous plants function a little like the stomachs and small intestines of animals. 食肉植物的捕蝇器起着动物的胃和小肠的作用。 来自辞典例句
n.冒号，结肠，直肠
- Here,too,the colon must be followed by a dash.这里也是一样，应当在冒号后加破折号。
- The colon is the locus of a large concentration of bacteria.结肠是大浓度的细菌所在地。
压缩，压紧，使收缩( constrict的现在分词 )
- Objective To discuss the clinical characteristics and treatment of congenital constricting band syndrome(CCBS) and amputations. 目的探讨先天性束带症与先天性截肢的临床特点及治疗方法。