氯酸钾

The little splints of wood which we call matches are made out of deal or pine wood which has been soaked in melted paraffin wax to make it burn more easily. 这种被我们称之为火柴的薄木片由欧洲赤松(松树)制成, 在液体的石蜡

发表于:2018-12-18 / 阅读(169) / 评论(0) 分类 英国学生科学读本

This is the VOA Special English Development Report. One of the best ways to protect yourself and other people from getting sick is to wash your hands with soap. To make soap, you need three main things: oil, water and lye. The oil can come from anim

发表于:2019-01-11 / 阅读(179) / 评论(0) 分类 VOA慢速英语2008年(十二)月
学英语单词
Abel refractometer
actressocracy
agile programming
ahools
amapa
applied zoology
automatic tool pick-up
avrahams
back to our roots
baseline break
beadsmanry
benzalacetic acid
best performance curve
bird song
bite film
bolivares
Boniface, Saint
brisbin
Carpinus viminea
cerezo
check method
clap on all sail s
codivergence
cubic tonnage
diamerter
discretionary allowance
distressingness
driver fit
DRTC
Entomo-misaki
European Information Network
fillisters
flat slate
free recoil
fried fish stick
gripping face
Gugera
Guisanbourg
hermetically sealed harmonic gear drive
heterodisperses
hip circle in rear support
ideal gas equation of state
immediate cash payment
incidence functions
interrogant
intertank transfer process
knotted pile
koranimals
Leics.
lex non scripta
loss of sales
lower animals
lumber-mill
magnesium flux
make a calculation of
mean absolute deviation (mad)
medreses
microprogrammed picoprocessor
moving urban pollution source
mucosal hernia
non-recoverable storage
nonstationary universe
nuclei Principalis cerebelli
Nyunga
octennia
Oeiras
Oleby
pattern bit
pentalingual
plebiscitarism
prehnitic acid
propagation pressure
proportionary
prosequi
provisional report
pulchrums
quillian
Rakovo
resistance-voltage divider
ribosomal RNAs
rustic siding
Santee National Wildlife Refuge
santita
saturation velocity
segment handling
Sheho
silverweed cinquefoili
softness factor
Staffordshire bullterrier
Stroud system of units
subject to ratification
substantial capital
theory of pluralist economy
thermitospinel
toolholder slide
ultra-high
uncappers
Van Deemter rate theory
vertebral arc
wheel barrow
worklike
zero input