水蒸气试验

[00:11.64]MODEL TEST 9 [00:14.50]Section A [00:16.87]Directions: In this section, [00:19.94]you will hear 8 short conversations [00:22.63]and 2 long conversations. [00:25.05]At the end of each conversation, [00:27.75]one or more questions will be [00

发表于:2018-12-01 / 阅读(128) / 评论(0) 分类 大学英语6级考试听力直通249分

A small boy sat ____ on a big stone near the water, and very _____. A large sun hat ____ his head. His skin was very ____from sitting in the sun. In his right hand, he has a long fishing____. From the rod, a long ____ with a ____ went into the water.

发表于:2018-12-04 / 阅读(70) / 评论(0) 分类 听听测测

TERMINAL TEST Part I Listening Comprehension (15 minutes) Directions: This part is to test your listening ability. It consists of 3 sections. Section A Directions: This section is to test your ability

发表于:2018-12-07 / 阅读(135) / 评论(0) 分类 当代考试

Every day the sun's rays change thousands of tons of liquid water into water-vapour; 每天, 太阳光都能够将数千吨的液态水转化为水蒸气; and this water-vapour mingles with the air, and is carried along by the wind. 随后, 水蒸气

发表于:2018-12-18 / 阅读(49) / 评论(0) 分类 英国学生科学读本

When we change a liquid into vapour, and cool this vapour till it is liquid again, 将水加热成水蒸气, 然后对其进行冷却直至再次液化, we are said to distil the liquid, and the apparatus for doing this is called a still. 这个过程就

发表于:2018-12-18 / 阅读(50) / 评论(0) 分类 英国学生科学读本

Thus by heating liquids we cause them to evaporate, or change into vapours or gases; 因此, 可以看出:我们能够通过加热液体使得它们蒸发, 变成水蒸气或气体; and by taking away heat from these gases, or cooling them, we tu

发表于:2018-12-18 / 阅读(58) / 评论(0) 分类 英国学生科学读本

Lesson 88 Condensation 第88课 冷凝 When the water in a kettle boils, it boils first at the bottom. 当水壶中的水沸腾时, 首先开始沸腾的是底部的水。 We cannot see this in a kettle, because the kettle is made of iron. 我们无法

发表于:2018-12-18 / 阅读(58) / 评论(0) 分类 英国学生科学读本

[00:03.58]You will hear three pieces of recorded material. [00:08.15]Before listening to each one,you'll have time to [00:12.59]read the questions related to it. [00:16.25]While listening,answer each question by choosing A,B,C or D. [00:22.13]After l

发表于:2018-12-27 / 阅读(158) / 评论(0) 分类 最新版英语听力教程

[ti:] [ar:] [al:] [by:] [00:00.43]Test 5 [00:05.13]Section A [00:06.44]Directions: In this section, [00:08.74]you will hear 8 short conversations and 2 long conversations. [00:13.77]At the end of each conversation, [00:15.74]one or more questions wil

发表于:2018-12-30 / 阅读(65) / 评论(0) 分类 英语六级听力练习集锦

[00:00.00]1.W:I think I'll take my mother to that French restaurant on Main Street for her birthda [00:08.15]M:I hope it's not any time soon.They are usually booked up weeks in advanc [00:14.37]Q:What does the man mean? [00:18.44]2.M:Did you notice t

发表于:2018-12-30 / 阅读(70) / 评论(0) 分类 英语四级听力练习集锦

A:Marco, here is an easy psychological test. Are you interested? Marco,这有个简单的心理测试,你有没有兴趣? B:Yes. But make sure you speak slowly so that I can follow you. 有,可是

发表于:2019-01-03 / 阅读(118) / 评论(0) 分类 英语抢先学

段落细节题,又被戏称为断子绝孙题亦或是大海捞针题,它的难度可见一斑,烤鸭们对它的痛恨程度可是怨声载道。而段落细节配对题并没有因为它的难度,以及学生对它的畏惧,而变少变不

发表于:2019-01-08 / 阅读(96) / 评论(0) 分类 雅思英语

AS IT IS 2015-08-06 Olympic Committee to Test Rio's Water for Viruses Rio de Janeiro, Brazil is busy preparing for the 2016 Olympics. On Sunday, the International Olympic Committee said it will begin testing the waters where swimmers and other athlet

发表于:2019-01-12 / 阅读(85) / 评论(0) 分类 2015年VOA慢速英语(八)月

Researchers Test Algae Biofuel in Hong Kong 研究人员在香港测试藻类生物燃料 Scientists in Hong Kong are testing the use of micro algae to clean water waste and produce fuel. 目前香港的科学家正在测试微海藻在净化废水和生

发表于:2019-01-14 / 阅读(58) / 评论(0) 分类 VOA标准英语2014年(三月)

AUDIE CORNISH, HOST: The BP disaster in the Gulf of Mexico seven years ago showed just how hard it is to combat a massive oil spill. Cleaning oil from water is a challenge, especially on the open sea. Now the federal government is backing research on

发表于:2019-01-16 / 阅读(69) / 评论(0) 分类 2017年NPR美国国家公共电台3月

Lesson 70 Evaporation 第70课 蒸发作用 Let us fill a small kettle with water, and place it on the fire. The water will soon begin to boil. After an hour or so we shall find the kettle quite empty, although no one has touched it since it was plac

发表于:2019-01-17 / 阅读(67) / 评论(0) 分类 英国学生科学读本

The finger which is wet with alcohol will be dry before you can count ten, while the finger which is wet with water may take a minute or more to dry. 在你数到十之前, 那根沾有酒精的手指就会变得干燥, 而另外一根沾有水的手指

发表于:2019-01-17 / 阅读(54) / 评论(0) 分类 英国学生科学读本

Lesson 35 Getting up Steam 第35课 蒸汽往上冒! Do you want to know what steam is? Let us get a lump of ice, or a snow-ball, and place it in a saucer in a warm room. It soon melts, and then the saucer is half full of water. If we leave the sau

发表于:2019-02-07 / 阅读(65) / 评论(0) 分类 英国学生科学读本

bulk head 散货船 cross deck 过桥甲板 tugboat 拖船 freeing-port 舷墙上的流水孔 barge 驳船 dead weight 载重量 oil tank 油船 tonnage 吨位 container vessel 集装箱船 stern 艉部 pusher 推论 sterm frame艏柱 ferry 轮渡 mi

发表于:2019-02-08 / 阅读(272) / 评论(0) 分类 实用英语

While most Chinese bundle up in winter, some are stripping down to celebrate the frosty weather. Although the temperature may fall to minus 10 to 20 degrees Celsius in northeast China, that cant chill the enthusiasm of these winter swimmers who took

发表于:2019-02-18 / 阅读(90) / 评论(0) 分类 CCTV9英语新闻2014年01月
学英语单词
active record
air foam rubber
analogue input module
Ankistrodesmus
auto-antitoxin
Baroque period
behrenss
Bingham model
bluetooth devices
BNF-like term
BYKI
Campo Formio, Treaty of
Chateauredon
cocoricoes
company contract
conduit tube
cruss
cryotrap
dandiya raas
deters
device priority
digital capture
displacement polarization
domming
emission microscopy
enclosed
farming machinery
florentino
gang edger
gendell
graph coordinate unit
gravity flow folding
Haliver
heteromorphic alternation of generations
hostile media effect
imperativeness
indirect radioscopy
keeping up with the Joneses
larynogometry
laser heated wind tunnel
Leptinus
liquid scintillation counting (LSC)
longitudinal turbulence
loxtons
LRNA
magnetic sorting bridge
massell
memometer
micrograin hard alloy
monocycle optical pulse
moving paper carrier
new television technology
nonproportionate
North Vietnamese
off-target
ommatius unicolor
organo-halogens
OVHL (overhaul)
Owren's disease
paracommando
paraxial
passenger car equivalence
price advance
principle of physical education
program pacemaker
pultron
puy de dome
reactor internals storage pool
record holder
refractory oxide crucible
regulatory commodity agreement
relumed
request response
scalders
sea-daisy
self-baking electrode
Senbāri
serixia testaceicollis
shortcuts
sidereally
Silvassa
spatterings
spectionomycin
stable-type position effect
state line
steeping vat
storm investigation
stripper station
sulphate salinity
survival game
tail to tail structure
temperate forest steppe zones
tenosynovitis crepitans
tetrahedral atom
thaumavore
tin-white
typifies
Vaglia
visual refractor
Volvox L.
water-levels
Yamskaya Guba