感光种子

[00:00.00] Unit 6 Plants [00:04.60]A The chlidren are in a science lesson. [00:10.95]Look,listen and say. [00:15.31]1 We want to grow some tomatoes. [00:21.66]What does our plant need? [00:25.50]It needs a small pot of soil. [00:30.22]It needs a lot

发表于:2018-12-13 / 阅读(26) / 评论(0) 分类 新路径小学英语三年级上册(一起)

Gene Therapy Halts Vision Loss in Dogs Researchers have stopped vision decline in dogs with an inherited disease that causes blindness. The gene therapy technique they used may someday stop vision loss in humans. Retinitis pigmentosa (RP) is an eye d

发表于:2018-12-16 / 阅读(44) / 评论(0) 分类 VOA标准英语2012年(二月)

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(34) / 评论(0) 分类 2015年Scientific American(一)月

[00:06.37]Some people cannot see all colors correctly. [00:10.92]They cannot see all the colors in a rainbow or a sunset. [00:16.40]They cannot tell if the meat they are cooking is done or if a fruit is ready to be eaten. [00:23.61]Poor color sight a

发表于:2018-12-26 / 阅读(34) / 评论(0) 分类 美国英语听力80篇

听力薄弱的考生是很难在托福考试中得到高分的。首先考生对自己的词汇量应该有个基本的了解。考生可以翻看一下TPO练习的问题部分,如果连审题都有困难,那么建议先别急着考试,好好从

发表于:2019-01-17 / 阅读(52) / 评论(0) 分类 托福英语

Cats And Colors You can look at that quilt your cat is curled up on and see a patchwork of greens, blues, and yellows. Your cat, however, cannot see color variation in the quilt. And here is why. Both humans and cats depend on the back layer of the e

发表于:2019-01-22 / 阅读(39) / 评论(0) 分类 英语时差8,16
学英语单词
a young animal
acid snow
acoustical pick-up
allocation of residual expenses
amber bottle
amiridine
asphalt weigher
back-assward
bacteristat
bears
Berger code
bicomponent nozzle
big-eye sardine
Bomongo
bottle silt sampler
bottlefeeds
bromomalonic acid
business as principal
capital of Maryland
cross rail clamp
crowdion
detained goods
dicke
dicorantil
diffusing reflection
Dufaycolor
electrically connecting clamp
engine shorting-out
felspathoid
finite branch
fractional ion yield
Franck-Condon principle
futhers
geodetic coordinate
giggle juice
gnomologist
hasnt
health-minded
INAPPA
incharge
indication applied occurrence
installment sales credit
integrated debugging aid
intercarrier sound reception
joint application design
knowledge-value
laser photothermal displacement spectrometry
lightweight laser
Lilaeopsis
logging company
metallic ion
minimal-latency subroutine
mitchellite
molby
neodymium glass laser
Nodi lymphatici iliaci externi intermedii
nominal rate of interest
objective complement
octadecyl mercaptan
palacle
partial-pressure suit
pazars
Pedicularis connata
phthisical
plot sabotage
pneumococcus polysaccharide
pottingar
Pouzolzia angustifolia
prehiring
primary sexual characteristics
public record
quasi-geostrophic turbulence
radiation core
Rc.
read-only files
research submarine
Retzen
reverse passive Arthus reaction
see someone's point
shockumentaries
show scroll bars
shunt-voltage
silo test missile
Sitnya
snaptop
Socinism
soil chemical thermodynamics
soil moisture tension
soul sisters
spoiled products management
square ram
statistical image processing
stercorariidaes
submucously
take to the heather
terrain contour mapping
throatless chamber
tyki
violuric
VMC
weizs?cker-williams method
Wholly Owned Subsidiary