单词:heat resistance aluminum alloy
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- 02 - advent n.(重要事件等的)到来,来临 adverse a.逆的,相反的;敌对的;不利的;有害的 advertise vt.公告,公布;为...做广告 vi.登广告 advisable a.可取的,适当的,明智的 1 advocate n.辩护者,拥护者,鼓吹者 vt.拥护,提倡 aerial a.(在或来自)空中的,航
material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi
图片1 metal n. 金属 例句:This metal is harder than that one. 这种金属比那种硬。 metallic adj. 金属(性)的 例句:Fannie' s shovel struck against something metallic when she wasplanting flowers in the garden. 当芬妮在花园里种
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Airplane manufacturers have been changing over from aluminum to advanced composite materials. These lighter, stronger composites are made of fibers of
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
The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo
China is working on next-generation bullet trains with a maximum operational speed of 400 km per hour that will be ready by 2020 for markets linked to the Belt and Road Initiative, the country's top railway vehicle maker said. 国内最大的轨道客车
1.He drove very fast to _______ that red car. A. scatter B.overtake C.site D.sponsor 2.Slides are sometimes called ________ film. A. whistle B.vigorous C.robot D.transparent 3.Professor Smith _______the most important part in his paper. A. omitted B.
1.He drove very fast to _______ that red car. A. scatter B.overtake C.site D.sponsor 2.Slides are sometimes called ________ film. A. whistle B.vigorous C.robot D.transparent 3.Professor Smith _______the most important part in his paper. A. omitted B.
alienate v. 使疏远 allegory n. 寓言;讽喻 alleviate v. 使减轻 alliance n. 联盟,同盟 allocate v. 分配;定位置 alloy n./v. 合金,融合 allude v. 提及;暗指 allure v./n. 引诱
AS IT IS 2016-03-04 North Korea Flies Missiles After UN Sanctions 联合国宣布制裁后朝鲜仍发射导弹 North Korea launched several short-range missiles from its eastern coast Thursday. The action took place one day after the United Nations
DEVELOPMENT REPORT – May 13, 2002: Solar Cookers By Jill Moss This is the VOA Special English Development Report. Millions of people around the world cook their food over a smoky fire every day. It
A: I'm looking for a pan I can use in my kitchen. B: What size pan were you thinking of? A: I've already got a small pan. I need a big one. B: Well, this one might work for you. A: Oh, no, that's way too heavy a pan for me. B: Here, lift this aluminu
A: Can you help me find a pan? B: Are you looking for a small, medium, or large pan? A: I want a big pan. B: Does this one look big enough? A: Yes, it's the right size, but it weighs too much. B: Well, what do you think of the aluminum pan? A: It's l
A: I need a pan. B: Okay. Do you have a particular size in mind? A: Well, the bigger the better, I think. B: Look at this one. It's our biggest pan. A: Yes, that is big enough, but it's too heavy for me. B: Okay, we have the same thing in aluminum. A
美国航空航天局科学家测试新型飞机 The U.S Aeronautics and Space Administration, NASA, is commonly associated with space exploration, but aeronautics is still a big part of the agencys research. Engineers at its Aeronautics Research Cen
59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59
Intel has unveiled its newest virtual reality headset called Project Alloy. Through this gadget, the company introduces the concept of merged reality. 近日,英特尔公司推出了其名为Alloy项目的最新虚拟现实头戴设备。通过这一
LONDON, July 26 (Xinhua) -- It landed at Lands End on the extreme south-west coast of England 69 days ago and after making its way around the British Isles, the Olympic Torch finally reaches the Olympic stadium on Friday. When it reaches the end of i