音标:['bæk,said'frʌnt] ;
adv. = back end-to

(Begin with everyone standing in a circle.) Let's try the Hokey Pokey! Show me one hand. (Hold up one hand.) You put one hand in. (Put one hand in the circle.) One hand out. (Put that hand out of the circle.) One hand in. (Put the hand back into the

发表于:2019-01-10 / 阅读(247) / 评论(0) 分类 Super Simple Songs 唱唱跳跳学美语

(Begin with everyone standing in a circle) Hey everybody. It's time to do the Hokey Pokey! Make a BIIIIIG circle. You put one hand in. (Put one hand in the circle.) One hand out. (Put that hand out of the circle.) One hand in. (Put the hand back into

发表于:2019-01-10 / 阅读(214) / 评论(0) 分类 Super Simple Songs 唱唱跳跳学美语

When it comes to image problems, cockroaches wipe the floor just like any bugs we have met so far. they are fast, furious and one of the toughest creatures on earth. these are quick. They can move up to fifty body lengths per second. If we could do t

发表于:2019-01-22 / 阅读(296) / 评论(0) 分类 自然百科2013年
学英语单词
a plump lie
a rear area
abaptista
Al Khurayb
ambrisentan
amorphous silica-alumina catalyst
Arrou
artemosia
autologous skin grafting
Basedow's disease
benzoylecgonine
biotic dispersal
carsinich
caudal nucleus
celphos
column rank
come on over
commutator ear
contact preparation
convolute surface
cubic boron nitride abrasive wheel
derma-
diamino-acridine
dominating series
double-differential cross-section
drosty
dry-element battery
easterly trade wind
eat sb.'s salt
effervescent mixture
egocentricity
enable pulse
erg-
fly wheel rib
frequency square
grade chart
graded algebra
honey-comb coil
impact force
institutional support
ion acoustic waves
isogogical
isolating device
jean bernoullis
joint offence
Kalkfontein
kodras
Krynica
lead phenate
LFAB
Lycianthes marlipoensis
metallurgy of alkaline-earth metal
mizz
molarion
motor train set
multiserver system
nakri
nallet
nanophthalmus
noncaring
nonreplicative
northeaster
observed value
Oloyskiy Khrebet
orfordnesses
orthopterous insect
output regulation
overhead rack
pace yourself
panonychus ulmis
point filament
polystictin
port to port service
pulp remnant
put sb at ease
pyranose ring
Razgon
ride meter
rope plucking
Ružomberok
semi-floret
speed-table
spiral-ramp vortex generators
steady-state process
steady-state test
stock equity
submerged groin
sulbutiamine
surtax exemptions
synchros
Tamiops
test data selection criterion
three-dimensional consolidation
time code muting
toplighting
totooing needle
UHF tag
United Engineers & Constructors Incorporated
well-adapted
wheel bearing inner cup
zero-power factor
zygomatic branch