用油灰填上

Lesson 8 A LUMP OF PUTTY 第八课 一块腻子(油灰) Did you ever see a man put in a pane of glass? He first cuts away the hard stuff which holds the old glass in its place. This hard stuff is called putty. Then with some fresh putty he fixes

发表于:2018-12-18 / 阅读(109) / 评论(0) 分类 英国学生科学读本

Lesson21 A piece of slate 第21课 一块石板 Look at your slate, and see what it is made of. It is a very thin, smooth, grey stone. The pencil with which you write upon it is also a piece of soft slate. 小朋友, 看看你自己写字用的石板

发表于:2019-02-13 / 阅读(137) / 评论(0) 分类 英国学生科学读本
学英语单词
activity relationship diagram actual budget
adenanthrea microsperma l.
akkus
antiquatedly
articulated connecting rod
baw
bridle joint
broadband dissipative attenuator
bulb-bowed
buoy sensor
buying off
cadmium borotungstate
capsule machine
centring device
chaser grinder
clastogens
collar roof
collection fee of bonus issue
composite core wall
Corydalis calcicola
cumulated temperature
current cost account
device control character
dideoxyribonucleoside
direct access pointer
direct expansion refrigeration system
distant early warning line (dew line)
distinct eigenvalue
electric brush
electro connecting pressure gauge
entrepreneurtia
face flange
family Phytolaccaceae
favorito
flatter on
fourth gear
fructus nelumbinis
haemolysate
Hinzweiler
HISTOL
hyoglossus muscle
indicanuria
innovate
intermittent-duty relay
jellyish
jet power unit
joining in
kagoul
klingler
Lagrange density
lawlessly
lip stick
lntralamellar
loose end
make-out artist
Malinaltepec
management of research and development
manpanzees
Miklibær
money-lenders
Mékouma
Noctilionidae
nonsyntaxins
oil industry investment
oscillatory zoning
pharmacoendocrinology
phenanthrahydroquinone
phenytoin
photoelectric proportionality law
picke injector
pinballing
piston vacuum pump
plastering
population viability analysis
post-spawn
Primojel
proper dwarf culture
punched card for visual selection
punched card marking
Punekar
radar signal spectrograph
re-codification
reviewing stand
rohon-beard cell
schizonepetoside
Sears and Roebuck
second task
sense data
serum phospholipid determination
sky reference
sloping valve
sobrerol
sociology of health
sound in body and mind
surrender monkeys
test on understanding science
tyloses
ultra fast
ultrared sweeping temperature measuring instrument
with well
zones of action
zoom in