蒸汽加热设备

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(31) / 评论(0) 分类 英国学生科学读本

By Larry London Washington, D.C. 16 February 2007 watch RJA report Their name means nothing at all, but is instantly memorable. Their sound mixes heavy metal guitar with danceable beats of pop punk, and is instantly recognizable. Florida rockers Red

发表于:2019-01-12 / 阅读(101) / 评论(0) 分类 2007年VOA标准英语(二月)

The selfie stick didn't always look like this. The original patent was filed all the way back in 1984, before cell phones were ubiquitous. Before the word selfie was even coined, let alone in the dictionary. The first selfie stick was neither as eleg

发表于:2019-02-04 / 阅读(39) / 评论(0) 分类 阅读空间

HARBIN, March 2 (Xinhua) -- A therapeutic(治疗的) apparatus to treat Parkinson's disease has been developed in northeast China's Heilongjiang Province, according to the provincial science and technology department. It is a worldwide breakthrough i

发表于:2019-02-06 / 阅读(72) / 评论(0) 分类 英语新闻

ABIDJAN, Dec. 6 (Xinhua) -- Cote d'Ivoire's political crisis deepens with the appointment of two prime ministers by the two presidential candidates declared the winner of the Nov. 28 run-off respectively by the electoral commission and the Constituti

发表于:2019-02-08 / 阅读(66) / 评论(0) 分类 英语新闻

Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析,夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns

发表于:2019-02-16 / 阅读(48) / 评论(0) 分类 经济学人科技系列
学英语单词
a slippery slope
acne indurata
adaptability index
adjustable rate mortgage
aggregative fluidized bed
al-ghazalis
aldobiouronic acid
amalgam process
aposiopetic
baseband data set
blanking punch
bouncin'
bread-baking
cedrus deodara (d. don) g. don
cermet tool
chilled cargo
constant-level lubrication
copter mount
core neutron flux distribution control
crustal rebound
decons
desomorphine
DjVu
double-barreled question
drive axle maximum input torque
dual-cycle system
dubinsky
economic history
electronic enhancement viewer
European Standard Time
excepeional case
exfoliative erythroderma
extinction price
falsobuntonia chiangpinga
fine design
galactoplania
garnish with
giblet meat
give a hostages to time
hair and hide
hair cracks
half-uncle
harmonic motion
Hebra's disease
Host security
in all walks of life
indeniable
injection time relay
inner ring
insculpture
instrument(al) error
integral component
interface description language
interleaving video
internal light
Islāmnagar
ium ion ium
Kalininobod
Kuajok
larmotron
lasiobolus intermedius
lavish on
lobster newburgs
lumber man
magnetic-field-supported accelerometer
mahaffe
metal coping
mousseline de laine
musadene
nonsalutary
open-core transformer
oxygenizes
paleokrassas
PBG-Deaminase
photoperiod regime
piltdown men
plastic-scintillation detector
preponderer
Privacy Enhanced Mail
refund of fare
Rubus strigosus Mich
safety working pressure
selection of scionwood
self checking
ship-lifter
single node
single rolling on double pushing track
soil content
square butt joint
state-pension
taikonauts
tapirs
telidal
timing adjustment
title of ship
trahison des clercs
urocarmin
uroptychus anacaena
validity of tenders
varus deformity of heel
wet blasting process
ywt