[化] 碱性亚硫酸盐法

80天攻克雅思核心词汇-30

alkali碱 alloy结合体 aluminum铝 ajar半开的 bleach漂白 catalyst催化剂 compound化合物 crystal水晶 combustible易燃的 distill提炼 electrician电工 erase抹掉 flask烧瓶 fuse融合 hydrogen氢气 insulate隔热 intrinsic内在的

发表于:2018-12-30 / 阅读(59) / 评论(0)

80天攻克雅思核心词汇

VOA常速英语2007-US Presidential Selection Process Begins in Earl

By Jim Malone Washington 25 October 2007 The lengthy and complicated process of choosing the next president of the United States begins in early January when voters attend party caucuses and cast ballots in primaries to select the presidential nomine

发表于:2019-01-07 / 阅读(71) / 评论(0)

2007年VOA常速英语（十月）

VOA常速英语2007年-Mideast Peace Process Back on Track in 2007

By Jim Teeple Jerusalem 17 December 2007 After seven years, Israeli and Palestinian negotiators are talking once again. That development came at the end of 2007, a year of turmoil and transition which saw the Palestinian territories split, politicall

发表于:2019-01-07 / 阅读(101) / 评论(0)

VOA常速英语2007年（十二月）

VOA常速英语2007年-Disarmament Process Kicks Off in Ivory Coast

By Naomi Schwarz Dakar 21 December 2007 Rebels and government troops in Ivory Coast are set to begin the long-awaited disarmament process on Saturday, a critical first step before forming a new national army is the divided country. Ivory Coast Presid

发表于:2019-01-07 / 阅读(90) / 评论(0)

VOA常速英语2007年（十二月）

A Natural Process

A man enters a barbershop for a shave. While the barber is foaming（涂上泡沫） him up, he mentions the problems he has getting a close shave around the cheeks. I have just the thing, says the barber, taking a small wooden ball from a nearby dra

发表于:2019-02-08 / 阅读(76) / 评论(0)

趣味英语

VOA常速英语2008年-Mideast Peace Process Under Scrutiny Before Ara

By Challiss McDonough Cairo 11 March 2008 Many Arabs say recent violence in Gaza and Israel is placing the Middle East peace process in jeopardy again. VOA Middle East Correspondent Challiss McDonough reports from Cairo the process is under review ah

发表于:2019-02-08 / 阅读(73) / 评论(0)

VOA标准英语2008年（三月）

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学英语单词

3-hydroxyisobutyryl-CoA

agricultral climatic regionalization