[化] 主价; 主要化合价

chief valence的用法和样例：

例句

Every element tends to satisfy both its primary and secondary valence.每一元素倾向于既满足它的主价又要满足它的副价。

Chief Joseph, Part 1

By Barbara Dash Broacast: December 22, 2003 (THEME) ANNOUNCER: People in America -- a program in Special English by the Voice of America. Every week at this time, we tell the story of a man or a woman

发表于:2018-12-18 / 阅读(53) / 评论(0)

VOA2003（下）-美国人文故事

CIA chief meets top Indian official

NEW DELHI, Nov. 21 (Xinhua) -- Visiting chief of the United States Central Intelligence Agency (CIA) （(美国)中央情报局） Leon Panetta Saturday met Indian National Security Advisor M.K. Narayanan here to discuss terrorism in Pakistan and Afg

发表于:2019-01-07 / 阅读(51) / 评论(0)

英语新闻

VOA慢速英语2013 PEOPLE IN AMERICA - One of the leaders of the Indian resistance, Apache chief Cochise

PEOPLE IN AMERICA - One of the leaders of the Indian resistance, Apache chief Cochise VOICE ONE: PEOPLE IN AMERICA, a program in Special English on the Voice of America. (THEME) During the Eighteenth Century, Indians tried to halt the move of white s

发表于:2019-01-12 / 阅读(39) / 评论(0)

2013年VOA慢速英语(四)月

ECONOMICS REPORT - A New Chief for the Securities and Exchan

ECONOMICS REPORT - A New Chief for the Securities and Exchange Commission By Mario Ritter Broadcast: Friday, June 10, 2005 I'm Gwen Outen with the VOA Special English Economics Report. The Securities

发表于:2019-01-30 / 阅读(47) / 评论(0)

健康与经济

IN THE NEWS - Hong Kong Chief Executive Tung Chee-hwa

IN THE NEWS - Hong Kong Chief Executive Tung Chee-hwa By Jerilyn Watson Broadcast: Saturday, March 05, 2005 Jerilyn Watson I'm Steve Ember with In the News, in VOA Special English. All week there was

发表于:2019-01-30 / 阅读(67) / 评论(0)

教育与新闻

Interviewed By Chief Of Police

A blonde was being interviewed by the Chief of Police for an opening in the local Police Department. The chief said that before I hire you I have to ask a few questions. Chief: First how much is 1 and 1. Blonde ElevenChief: Well I guess I will accept

发表于:2019-02-05 / 阅读(88) / 评论(0)

趣味英语

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

Aberdeen hooks

ailill

anti-aircraft armoured truck

bronchogenic cyst of lung

bullet mould