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
a value not less than the threshold for supervision
acute multiple gingival abscess
administrative regulations of water
ages ago
algaebacteria symbiotic system
allamerican
Anglaspis
angle pulley
b-horizons
backsawing
bad sectoring
beach energy
biological indicator
bludgeonings
C1A
cambiaso
carraways
cenesthetic
cointegrating rank
composition of diet
convincedness
Cottle County
crakehall
Crowe's sign
cumberland pt.
cussen
cut and paste
cutter with straight grooves
damping time
dark space
disc comparator
disciformis
division surface
DMY
dolphinfish
electronic conductance
estr
file list area
forcing back
foreign body in uterus
furry process
gallop through sth
generating area
granulated ammonium nitrate
gray infiltration
hypercorticoioism
icterode
illposed
indium diselenide
innovation series
intersidereal
intra-systems
jobfinders
jussiaea repens l.
lenicet
linguistic control
liversidge
loafer
log pile area
Loiya Puya
mettel
motte and bailey
mountain hemlock
near-field probe
net enrolment rate
non autographic signature
nonperiodic sequence
nonreal-time conversion subsystem
notch toughness test
partnership instrument
pearl necklace
piper (england)
point absorber
prosocial behavior
psolodesmus mandarinus dorothea
pulasans
radioastrometry
Rastafarians
REG (regulator)
rosenstein
schizopods
sheet copper roofing
simultaneously switching noise
single-barrelleds
slowwave
Spermophilus
stace
steel-troweled concrete
stiff wire rope
sudary
sulfanilylcarbamide
tairona
tcnica
thyroparathyroidectomy
Time Bar of Chartering
unattended wayside radio station
unsaturated gain
Upstart B.
voluntary competitive tendering (vct)
weteri
wilfork
Yatsuka