[化] 关键步骤; 关键反应

committed step的用法和样例：

例句

Preparation of high-concentration cell suspension is the most important step.高浓度细胞悬浮液的制备是其生产的关键步骤。
This is the reason for being good at group learning is a committed step of organizing a studying type group.这就是为什么精熟团队学习是建立学习型组织的一个关键步骤。

step by step3000 第三册 11 A Fast Growing Economy: Tourism

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得 10 到 30 积分的奖励 ! Thank you ！

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step by step 3000 第三册

stepbystep3000 第三册 Unit 2 Earth and Enronment

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step by step 3000 第三册

step by step3000第三册 Unit 6 Breakthroughs in Science

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step by step 3000 第三册

step by step3000第三册 Unit 7 Future of Communication

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step by step 3000 第三册

step by step3000第三册 Unit8 New Ideas,New Architecture

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step by step 3000 第三册

step by step3000 第三册 Unit 9 Ways to Travel

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step by step 3000 第三册

step by step3000 第三册 Unit 10 Love and Hate of Oil

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step by step 3000 第三册

step by step3000 第三册 Unit 12 Review

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step by step 3000 第三册

step by step3000第三册 Unit1 International Relations

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step by step 3000 第三册

step by step 3000 第三册Unit 5 New Explorations in Food

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step by step 3000 第三册

stepbystep3000 第三册 Unit 3 Econonc Developments

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step by step 3000 第三册

step by step 第三册 lesson 117

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step by step 第四册 lesson 133

UNIT 67 HEALTH AND MEDICINE (Ⅱ) Lesson 133 Part Ⅰ Warming-up Exercises Instruction-following: Medication Cure: _______________________ Preparation: tablets -- __________ water, dissolved Dosage: r

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英语听力入门 (全四册)

VOA常速英语2008年-NFL Committed to International Growth

By Parke Brewer Phoenix 01 February 2008 The National Football League continues to try to grow the popularity of its sport outside the United States. VOA Sports Editor Parke Brewer reports from Phoenix that the league has announced that team owners h

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VOA常速英语2008年（二月）

VOA常速英语2008年-UN Chief Committed to Israeli and Palestinian S

By Margaret Besheer United Nations 25 March 2008 U.N. Secretary-General Ban Ki-moon has pledged his personal support to resolving the Israeli-Palestinian conflict and is urging both parties not to let recent violence derail the peace process. From Un

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VOA标准英语2008年（三月）

VOA标准英语2008年-US Committed to Diplomatic Solution to Iranian

By David Gollust State Department 20 May 2008 The Bush administration Tuesday reaffirmed its commitment to a diplomatic resolution of the Iran nuclear issue though also saying it forecloses no options in dealing with the matter. The comments followed

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VOA标准英语2008年（五月）

学个词 Learn a Word-VOA英语教学 3037 committed

今天我们要学的词是committed. Committed 做为形容词，有坚定的意思。Mark Zuckerberg said Facebook is committed to stop anyone from interfering in the upcoming midterm congressional elections through Facebook. 扎克伯格表示，脸

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英语单词荟萃

VOA常速英语2008年-Gates Says US Committed to Stronger Ties with I

By Steve Herman New Delhi 27 February 2008 U.S. Defense Secretary Robert Gates, on a visit aimed at increasing U.S.-Indian strategic relations, has told officials in New Delhi that Washington's commitment to a deeper relationship with India is not li

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VOA常速英语2008年（二月）

VOA常速英语2008年-McCain Committed to Mideast Peace Process

By Jim Teeple Jerusalem 19 March 2008 U.S. Senator John McCain, the presumptive Republican presidential nominee, is touring Israel and meeting with Israeli leaders as part of his Mideast tour that has taken him to Iraq and Jordan. VOA's Jim Teeple re

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VOA标准英语2008年（三月）

step by step 3000 第三册 Unit 4 World News: Up in Space

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step by step 3000 第三册

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学英语单词

abdel-salem

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Allardia glabra

amelioration of low productive paddy soils