n. 下降，血统，倾斜；
[例句] Sixteen of the youngsters set off for help, but during the descent three collapsed in the cold and rain.
[例句] ...the crash of an Airbus A300 on its descent into Kathmandu airport.
adj. 绝望的，由绝望而引起的，铤而走险的，孤注一掷的，急切的，极度渴望的；
[例句] Troops are needed to help get food into Kosovo where people are in desperate need...
[例句] Desperate with anxiety, Bob and Hans searched the whole house...
n. 东，东方，东方国家，〈诗〉东风；adj. 东方的，向东方的，从东方来的；adv. 向东方（地）；
[例句] ...the vast swamps which lie to the east of the River Nile...
[例句] The principal range runs east to west.
n. 排放，辐射，排放物，散发物（尤指气体），（书刊）发行，发布（通知）；
[例句] The emission of gases such as carbon dioxide should be stabilised at their present level...
[例句] Sulfur emissions from steel mills become acid rain.
n. 期待，预期，前程，[数]期望
[例句] Students' expectations were as varied as their expertise...
[例句] The car has been General Motors' most visible success story, with sales far exceeding expectations...
n. 小说，虚构的文学作品，虚构的或想像出的事，并非完全真实的事，编造，虚构；
[例句] Immigrant tales have always been popular themes in fiction...
[例句] Diana is a writer of historical fiction.
n. 雾，烟雾，迷惑，割后再生的草；vt. 以雾包围，使模糊，使迷惑；vi. 为雾笼罩，朦胧，照片（模糊）；
[例句] The crash happened in thick fog...
[例句] These ocean fogs can last for days.
n. 频繁性，[数][物]频率，次数，频率分布；
[例句] The frequency of Kara's phone calls increased rapidly...
[例句] The tanks broke down with increasing frequency.
vt. 使惊恐，使恐慌，吓走，赶走；vi. 害怕，惊恐；
[例句] He knew that Soli was trying to frighten him, so he smiled to hide his fear...
[例句] Most children are frightened by the sight of blood.
adj. 基础的，基本的，根本的，重要的，原始的，主要的，十分重大的，[物]基频的，基谐波的，[乐]基音的；n. 原理，原则，基本，根本，基础，[乐]基音，[物]基频，基谐波；
[例句] Our constitution embodies all the fundamental principles of democracy...
[例句] A fundamental human right is being withheld from these people...
n. 口香糖，树胶，黏胶，牙龈；vt.& vi. 胶合，涂以树胶，使…有粘性；
[例句] The toothbrush gently removes plaque without damaging the gums.
[例句] ...gum disease.
n. 徒步旅行，远足，提高，涨价，（数量、价格等）增加，上升；vi. 徒步旅行，上升；vt. 提高（价格等），拉起，使…高涨；
[例句] You could hike through the Fish River Canyon...
[例句] We plan to hike the Samaria Gorge.
n. 臀部，[建筑学]屋脊，臀围（尺寸），臀部…的；adj. （衣服、音乐等方面）时髦的，赶时髦的；vt. 使…的髋关节脱臼，损伤…的髋部，[建筑学]给（房屋）建屋脊，使知晓，使了解，告诉，使消息灵通；
[例句] Tracey put her hands on her hips and sighed.
[例句] ...a hip young character with tight-cropped blond hair and stylish glasses.
vt. 哼唱；vi. 忙碌，活跃，发嗡嗡声，发出嘈杂声；n. 嗡嗡声，杂音，哼唱的动作；int. 哼，嗯；
[例句] The birds sang, the bees hummed...
[例句] Within five hours, the equipment will be humming away again...
adj. 间接的，不直截了当的，闪烁其词的，不坦率的；
[例句] Businesses are feeling the indirect effects from the recession that's going on elsewhere...
[例句] Millions could die of hunger as an indirect result of the war...
n. 日报，日志，日记，定期刊物，期刊，杂志，[会计]分类账；
[例句] All our results are published in scientific journals.
[例句] He was a newspaperman for The New York Times and some other journals.
n. 块，团，肿块，许多，大量，笨拙的人；vi. 结成块，成团，笨重地行走；vt. 使成团，使成块，使团结在一起，把…混在一起；adj. 成团的，成块的；adv. 很，非常；
[例句] The potter shaped and squeezed the lump of clay into a graceful shape.
[例句] ...a lump of wood...
n. 结婚，婚姻生活，密切结合，合并；
[例句] In a good marriage, both husband and wife work hard to solve any problems that arise...
[例句] When I was 35 my marriage broke up...
n. 威胁，恐吓；vt.&vi. 威胁，恐吓；
[例句] In my view you are a menace to the public.
[例句] ...the menace of fascism...
n. 拓荒者，开发者，先驱者，创始者；vt. 开拓，开发，做（…的）先锋，提倡；
[例句] ...one of the leading pioneers of British photo journalism...
[例句] What they lacked in speed those pioneer pilots made up for by flying only a few feet above the ground.