软组织扩张器

What did a dinosaur look like? By Linda Baxter Can we believe what we see? Dinosaur art has a long history. Life-size models in natural history museums, paintings and drawings, children's toys, and of course, the recent spate of computer generated fi

发表于:2019-01-02 / 阅读(91) / 评论(0) 分类 英语音频杂志

Scientists Extract Soft Tissue from 68-Million-Year-Old Dinosaur Bone 科学家从6千8百万年之久的恐龙骨中提取软组织 U.S. scientists have recovered soft tissue from the bones of a near

发表于:2019-01-03 / 阅读(30) / 评论(0) 分类 VOA2005(上)--环境科学探索

A: Hi. I'm looking for some good deals on produce. B: You might want to try the mangoes. A: Can you describe a mango to me? B: It's a fruit a little smaller than a grapefruit. It has a big seed in it. A: Do I eat the seed? B: Maybe some animals eat t

发表于:2019-01-20 / 阅读(58) / 评论(0) 分类 购物英语对话

Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o

发表于:2019-01-30 / 阅读(82) / 评论(0) 分类 60秒科学

57 恐龙的鼻孔应该位于口部上方 DATE=8-23-01 TITLE=SCIENCE REPORT - Dinosaur Noses BYLINE=George Grow (Start at 1'01

发表于:2019-01-30 / 阅读(135) / 评论(0) 分类 自然探索

办公室的软面行李箱 听到有人抱怨自己工作太忙、活太多的时候,我们可能会用一句能者多劳来安慰他们。在英语中,我们管这类人叫做soft-sided luggage(软面行李箱),意思是说他们像这行李

发表于:2019-03-11 / 阅读(114) / 评论(0) 分类 英文语法词汇
学英语单词
500s
ad rectum
ADHR
air-bleeder
akhtenskite
aperitivoes
Bacillus foetidus ozaenae
Belotin
bipolaris spicifera
bone conduction sound
butwine
capitulum uln?
Carnarvon Gorge
chemical equilibrium
clackings
class ii construction
copper abietinate
cross sterile
cut buckle
damage correction
dead-beatism
devry
drop shadow
enfamous
Estonian Republic
expanded cinema
Fabian soldiers
Ficus fulva
funster
gee
global fall-out
guild-socialistic
gumbel's inequalities
half-diminished seventh chord
hand dug well
have the charge to
heterojunction laser
HMCF
homoserines
horse-herd
hydrogue
impeditions
jointworms
kaleidoscopes
Kirchheilingen
LABSA
lifestory
line of position
long-lever armature
longwool
loose packing
maximum of profit
measuring ability
Monoecia
no-mar
non-photosynthetic part
noninvasiveness
nonmasochists
nucleus Ciliaris olivae
onionskin paper
over-depreciation
Paradis
pasterze
phyllosticta peucedani
Pillar and Post
Portable Data File
post-recessionary
price benefication
rates-of-climb
read channel continue
reading room
rep by pop
roller mill press
royal optimizing assembly routine (roar)
Rubielos de Mora
sapientation
seismic picture
Sothis
St-Loup-de-la-Salle
stacte
standards issued by Ministry
StCP
steady flow nozzle head
steam stop cock
Stesolin
strip-down
sylador
Synthovo
system master tape
Tallqvist's scale
telescope bag
three-dimensional Fourier transform
treedest
turf process
ventilation-perfusion imbalance
Vezhen
vibrotherapy
volubile
vp165
winview
Zeno paradox
zeravschanine