腐蚀凹洞, 蚀坑, 蚀孔 ; 蚀坑

etch pits的用法和样例：

例句

The corrosion pits on the blade surface contributed to such failure as an additive factor.叶片表面的腐蚀坑是其疲劳断裂的另一促进因素。
The damage of sub-surface was very similar to the damage of the surface, mainly with a few oxidation eroding pits.次表层上主要分布着少量细小的氧化腐蚀坑，次表层和表层的失效非常吻合。

许国璋英语听力第二册 Lesson 4

Lesson 4 Words to the text holiday suggest reservior the Guanting Reservoir. the Great Wall Anzhuang revisit bank the Yongding River the year before surrounding form close tie villager spirit be in high spirits still outside well-cultivated Shijingsh

发表于:2018-11-28 / 阅读(759) / 评论(0)

许国璋英语听力第二册

美语听力 English Café 446

Topics: Ask an American La Brea Tar Pits; until versus till/til versus by; to restore versus to recover; CCU (coronary care unit) Words: fossil to preserve stuck asphalt flypaper to succumb to torn apart to wander predator scavenger climate precautio

发表于:2018-11-30 / 阅读(532) / 评论(0)

美语听力 English Cafe

Super Bowl Pits Young Coach Vs. Former Assistant

Broadcast: Jan 25, 2003 The Oakland Raiders and the Tampa Bay Buccaneers are making final preparations for Sunday's National Football League 1) Championship game Super Bowl XXXVII. The game features a

发表于:2018-12-08 / 阅读(568) / 评论(0)

VOA2003（上）-体育专递

赖世雄观光英语通71:购买艺术品

赖世雄旅游观光英语通教你学会观光旅游的各种对话、句子。 An Art Purchase 购买艺术品 Kathy and Evan visit a local art gallery near Kings New Square. 凯西和艾凡参观了国王新广场附近的一家当地美术馆。

发表于:2018-12-09 / 阅读(673) / 评论(0)

赖世雄旅游观光英语通

VOA慢速英语20060426c

EXPLORATIONS - A Sticky Black Hole of Ancient Death, Right in the Middle of Los AngelesBy Paul Thompson Broadcast: Wednesday, April 26, 2006 (MUSIC) VOICE ONE: This is Faith Lapidus. VOICE TWO: And th

发表于:2019-01-02 / 阅读(655) / 评论(0)

2006年慢速英语（四）月

EXPLORATIONS - La Brea Tar Pits

EXPLORATIONS - La Brea Tar Pits By Paul Thompson Broadcast: Wednesday, March 10, 2004 (THEME) VOICE ONE: This is Faith Lapidus. VOICE TWO: And this is Steve Ember with EXPLORATIONS in VOA Special Engl

发表于:2019-01-06 / 阅读(708) / 评论(0)

Explorations

美联社新闻一分钟 2006-01-15

1.Pakistan condemns a deadly attack in which a purported CIA airstrike unsucessfully targets al Qaeda’s No.2 man in a border village. 2.In Iraq, a court official says the chief judge in Saddam Husse

发表于:2019-01-08 / 阅读(516) / 评论(0)

美联社新闻一分钟2006

VOA慢速英语 2007 1003b

VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about an unusual scientific research area in the United States. It is filled with the remains of ancient animals. This unusual pl

发表于:2019-01-11 / 阅读(640) / 评论(0)

VOA慢速英语2007年（十）月

VOA慢速英语2010-EXPLORATIONS - Los Angeles' La Brea Tar P

BOB DOUGHTY: I'm Bob Doughty. FAITH LAPIDUS: And I'm Faith Lapidus with EXPLORATIONS in VOA Special English. Today we tell about a scientific research area in the United States. It is filled with the remains of ancient animals. This unusual place is

发表于:2019-01-12 / 阅读(610) / 评论(0)

2010年VOA慢速英语(四)月

英国学生科学读本第77期:百货不如皮货(1)

Lesson 77 There's Nothing Like Leather! 第77课百货不如皮货 Every child who reads this book knows that leather is made from the skins of animals. We cannot, of course, call any piece of skin leather; it must be carefully prepared before we ca

发表于:2019-01-17 / 阅读(494) / 评论(0)

英国学生科学读本

【英文短篇小说】The Trousseau

I HAVE seen a great many houses in my time, little and big, new and old, built of stone and of wood, but of one house I have kept a very vivid memory. It was, properly speaking, rather a cottage than a house a tiny cottage of one story, with three wi

发表于:2019-01-23 / 阅读(581) / 评论(0)

英文短篇小说

PBS高端访谈:战争中的焚烧坑导致了老兵们的肺部疾病?

GWEN IFILL: Brain injury and post-traumatic stress disorder are two well-known signature wounds of the wars in Iraq and Afghanistan. But there is another injury, lung disease, that afflicts tens of thousands of veterans. Many blame a single defense c

发表于:2019-01-27 / 阅读(491) / 评论(0)

PBS访谈社会系列

流行口語第176課

今天是礼拜一， Larry 和李华约好了上完课一块儿去吃午饭． Larry告诉李华他周末做了些什么事儿．今天李华会学到两个常用语： set of wheels 和 the pits。 LL: Bob gave me a ride in his new set of wheels on Saturday. That car is so awesome. It rides like a dr

发表于:2019-02-12 / 阅读(472) / 评论(0)

美国之音《流行美语》

泰国酒驾司机将被送往太平间工作

Drink-drivers and repeat traffic offenders in Thailand could be sent to work in hospital morgues under a new plan by the authorities to try to put a stop to carnage on the countrys roads. 为减少致命交通事故，泰国政府出台新计划，拟派

发表于:2019-02-13 / 阅读(458) / 评论(0)

阅读空间

【大家说英语】第301期:接听电话(2)

December 4 12月4日 Read it! 读读看！ Susie usually has a positive attitude. 通常苏希都有乐观的态度， But she's upset today. 但她今天很不开心。 A man called the station. 一个人打电话到电视台， He was looking for S

发表于:2019-02-16 / 阅读(465) / 评论(0)

大家说英语

经济学人315:恐龙行为疯狂撞头的家伙

Science and technology 科学技术 Dinosaur behaviour 恐龙行为 Headbangers 疯狂撞头的家伙 Evidence of duelling dinosaurs 战斗性恐龙的证据 WORKING out how an extinct animal behaved when it was alive is tricky. 对于灭绝的生物来

发表于:2019-02-18 / 阅读(469) / 评论(0)

经济学人科技系列

英文如何吐槽说“难吃”？

1. The food in the school cafeteria is yucky. 学校餐厅的饭菜真难吃。 2. The lousy food upsets my stomach. 这饭菜太糟糕了，吃得我肚子直难受。 3. That pizza tastes like cardboard. 那张披萨味同嚼蜡。 4. The dishes we

发表于:2019-02-18 / 阅读(445) / 评论(0)

英语口语

迷你对话学地道口语第757期:最糟糕的事情或事物

Subject：Working on the weekend is the pits. 迷你对话 A: This job is high-paying. Why do you want to quit? 这份工作待遇丰厚，你为什么要辞职？ B: I cannot bear it any more. Working on the weekend is the pits. 我再也受不了了。

发表于:2019-02-22 / 阅读(426) / 评论(0)

迷你对话学地道口语

美国国家公共电台 NPR Veterans Claiming Illness From Burn Pits Lose Court Fight

DAVID GREENE, HOST: The Supreme Court has refused to hear an appeal from veterans of Iraq and Afghanistan who say the toxic smoke from burn pits made them sick. A group of vets had sued the military contracting giant KBR for damages, but the 4th Circ

发表于:2019-03-04 / 阅读(526) / 评论(0)

2019年NPR美国国家公共电台1月

英语听力—环球英语 1067 The Fire Beetle

Voice 1 Thank you for joining us for Spotlight! Im Ryan Geertsma. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Fires like this

发表于:2019-03-04 / 阅读(601) / 评论(0)

环球英语 Spotlight

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

8-hydroxy-2-(di-n-propylamino)tetralin

Aleutian Islands National Wildlife Refuge

ascribed statuses

at the root of

auxiliary water-cooled water chiller unit

broker's representative