复合氧化物触媒;复合氧化物催化剂

[00:01.40]Thank God you didn't. 谢天谢地你没去 [00:02.20]-Oh, my God. -Thank God you didn't. -哦,上帝 -谢天谢地你没去 [00:04.20]Thank God I didn't and you didn't. If one of us had showed up alone... 谢天谢地你没去我也没去

发表于:2018-12-07 / 阅读(166) / 评论(0) 分类 听电影学英语-日落之前

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

发表于:2018-12-24 / 阅读(106) / 评论(0) 分类 Scientific American(三)月

托德和詹安娜在讨论学校生活 Todd: Hello! Jeanna: Hello! Todd: Hi, what's your name? Jeanna: Jeanna. Todd: OK, Jeanna, how old are you? Jeanna: I'm 15 years old. Todd: 15! OK, are you in high school? Jeanna: Yes, I am. Todd: OK. What do yo

发表于:2018-12-27 / 阅读(75) / 评论(0) 分类 英语口语练习册

Its the material at the tip of a pencil and it has the potential to revolutionize our lives. A study from Columbia University has shown that graphene is the strongest material in the world. In fact , it is much tougher than diamonds and 300 times str

发表于:2018-12-28 / 阅读(87) / 评论(0) 分类 轻松英文阅读

Todd: Hello! Jeanna: Hello! Todd: Hi, what's your name? Jeanna: Jeanna. Todd: OK, Jeanna, how old are you? Jeanna: I'm 15 years old. Todd: 15! OK, are you in high school? Jeanna: Yes, I am. Todd: OK. What do you think about high school? Jeanna: It's

发表于:2019-01-02 / 阅读(131) / 评论(0) 分类 英语访谈对话

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-02 / 阅读(112) / 评论(0) 分类 60秒科学

客户户口 client account 客户身分规则【证监会】 Client Identity Rule【SFC】 客户服务器结构 client server architecture 客户协议书/合约 client's agreement 客户按金 clie

发表于:2019-01-03 / 阅读(117) / 评论(0) 分类 财会英语

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-08 / 阅读(109) / 评论(0) 分类 Scientific American(四)月

Kid Rock describes his latest album, Born Free, as organic blues-based rock and roll. Born Free is Kid Rock's first new album in more than three years. He left the comforts of his home studio in Detroit, Michigan to record the collection in Los Angel

发表于:2019-01-14 / 阅读(112) / 评论(0) 分类 VOA标准英语2011年(一月)

It's been 10 years now since the attacks on September 11, 2001 that killed thousands in America. For families and friends of those killed, the pain is still raw. However, the tragedy has proved a catalyst for one organization to rise out of the rubbl

发表于:2019-01-19 / 阅读(107) / 评论(0) 分类 世界各地新闻集锦

America is so big. It has 50 states. Some states are bigger than other countries. Texas is the biggest state in America. Texas itself is bigger than France. People sometimes consider states as countries because they are so different. Even cities can

发表于:2019-01-24 / 阅读(80) / 评论(0) 分类 英语第5级听力-English Level 5

What if I answered: Well, it depends. You say: Oh ,come on ,Val, be more direct than that. (Please) But it does depend on how much education you have because according to a new government report, a ba

发表于:2019-01-26 / 阅读(80) / 评论(0) 分类 商业报道2006年

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

发表于:2019-01-26 / 阅读(169) / 评论(0) 分类 英语新闻

The world this week 一周要闻 Business 商业 The prospect of an all-out trade war between America and China became real. 美国和中国之间爆发全面贸易战的可能性变成了现实。 Donald Trump said he would impose tariffs on $50bn o

发表于:2019-01-26 / 阅读(101) / 评论(0) 分类 经济学人要闻

Todd: Hello! Jeanna: Hello! Todd: Hi, what's your name? Jeanna: Jeanna. Todd: OK, Jeanna, how old are you? Jeanna: I'm 15 years old. Todd: 15! OK, are you in high school? Jeanna: Yes, I am. Todd: OK. What do you think about high school? Jeanna: It's

发表于:2019-02-02 / 阅读(91) / 评论(0) 分类 原版英语对话1000个

BEIJING, Aug. 19 (Xinhua) -- China's steel output growth slowed in July and prices of steel products have continued to drop, according to data from the National Development and Reform Commission (NDRC). Crude steel production gained 4.2 percent year

发表于:2019-02-06 / 阅读(112) / 评论(0) 分类 英语新闻

Chinese shares posted their biggest one-day fall in a month yesterday, with indices closing more than 6 per cent lower after a late sell-off. 中国股市昨天出现一个月来最大单日跌幅,在尾盘抛售之后,沪深股指收跌逾6%。

发表于:2019-02-06 / 阅读(134) / 评论(0) 分类 英语新闻

Chinese stocks carved out their biggest gain in two months amid speculation that A-shares could be included in MSCIs global benchmarks. 由于市场猜测A股可能会被纳入MSCI明晟的全球基准,中国股市今日出现两个月来最大幅度

发表于:2019-02-15 / 阅读(82) / 评论(0) 分类 阅读空间

窗帘名称 窗帘: curtain/window blind 蜂巢帘: honey comb blind 百褶帘: pleated blind 卷帘: roller blind 软百叶帘: venetian blind 柔丽丝帘: softness blind 香格里拉帘: Shangri-La blind 窗帘面料 窗帘布原料: raw material

发表于:2019-02-17 / 阅读(71) / 评论(0) 分类 实用英语

Wall Street ended slighter higher on Wednesday after fears eased that the Federal Reserve would strongly signal plans for a June interest rate hike. The Dow Jones industrial average rose about 0.3 percent. The SP 500 gained 0.16 percent. The Nasdaq C

发表于:2019-03-12 / 阅读(176) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
505
a man of nerve
actual user
additive puzzle
Agnadello
airplane mechanics
alphabetic code
backflooding
bacterial digestion
balloon-frame
Ban Mai Yang Kathung
batch by batch and stage by stage
bead size
belt weigh meter
biased field
bilge water gauge
bloubred
butylchloral hydrate
characteristic linear system
chickweed phlox
coaxial needle electrode
collar borer
controllingness
core plate shear
curing membrane
currency areas
dajjal
decorative openwork window
demixes
derrick structure
director element
douche canoes
electron induced shower
external factors
extrinsic evidence
factory-made
fault contrast
federal districts
fermented odour
field security table
file on
fracture of femoral shaft
freshmanship
fulls(beach ridge)
furcae
gymnoarian
h(a)emonchosis
homer pigeon
hot water check valve
hydraulic blasting
hypogen deposit
jet-bubbling deaerator
Justicia xantholeuca
Kemp's ridley turtle
Kolmer's tests
lonelihood
low-fume and harmfulness electrode
main objective of crop husbandry
maravillosa
Mig-31
mild depression
mindel-riss interglacial period
motor assisted
mud dock
multiple power source
national association of hispanic journalists
nilpotence
oil drill bearing
old codgers
onomatopeia
perforative
photo-impulses counting
plongeon
plus minus
pokie machine
porcelain disk resistor
poruas
Potentilla reptans
PsLoggedOn
restraint modulus
royles
salt as brine
scalenus anterior
scaling attribute
scanning radiation thermometer
shaft prospecting engineering survey
silacycle
slobberknockers
spiroscalate phyllotaxis
state change
Stenpir
stripped plasma
superficial gravity
T-wrench
total number of word
transom stern vessel
unimplored
univerbate
untragic
without bite or sup
working reserve