【热力学】焦耳—汤姆逊膨胀[亦作 Joule-Thomson process]

北师大初中英语七年级下--Expansion 7-1

[00:00.00]UNIT 7 Expansion 7 [00:07.69]2 My name is Lily. [00:11.08]I'm thirteen yeard old . [00:13.40]I live in Beijing with my family. [00:16.35]Every day I go to school [00:18.37]just like other teenagers. [00:20.43]I always get up at seven o'cloc

发表于:2018-12-04 / 阅读(183) / 评论(0)

北师大版初中英语七年级下

北师大初中英语七年级下--Expansion 12-1

[00:00.00]UNIT 12 Expansion 12 [00:07.10]2 Hi,James, [00:09.92]Thanks for you letter. [00:11.35]You asked about my home. [00:13.58]I live with my parents in an apartment [00:14.97]in a district in the east of Beijing. [00:19.02]I live quite near Beij

发表于:2018-12-29 / 阅读(112) / 评论(0)

北师大版初中英语七年级下

北师大初中英语七年级下--Expansion 11-1

[00:00.00]UNIT 11 Expansion 11 [00:09.20]1 One day in England Diego [00:12.71]and Fernanda were very hungry. [00:15.40]They didn't have any food [00:17.34]and they didn't have any money. [00:19.65]So they thought out a clever plan [00:21.78]to get a

发表于:2018-12-29 / 阅读(146) / 评论(0)

北师大版初中英语七年级下

Ethiopian Industrial Park’s Expansion Opens Old Wounds

The small Ethiopian town of Dukem has some of the most fertile land in the country. It also is home to Ethiopias first industrial park. Dukem is part of a government-led push to turn the mostly agricultural country into Africas manufacturing center.

发表于:2019-01-03 / 阅读(78) / 评论(0)

2018年VOA慢速英语(二)月

Beijing to control urban expansion: mayor

BEIJING, March 6 (Xinhua) -- Beijing Mayor Wang Anshun on Wednesday said the capital will work hard to cool down rapid urban expansion in order to address traffic congestion, pollution and resource scarcity. We will make efforts to control Beijing's

发表于:2019-02-08 / 阅读(56) / 评论(0)

英语新闻

学个词Learn a Word 第1696-expansion

今天我们要学的词是expansion。Expansion 扩展，扩充。The Kennedy Arts Center unveiled a $100 million expansion plan. 肯尼迪艺术中心宣布扩展计划，耗资一亿美元。President Obama supported the expansion of H1B visas fro

发表于:2019-02-18 / 阅读(51) / 评论(0)

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automotive eugineering

CADD - computer-aided design and drafting