太阳黑子

And after a while a pattern emerged. 久而久之,人们就归纳出一个模式 If you observe sun spots over several years, 若连续观察太阳黑子好几年 they come and go with an about an eleven year cycle. 会发现它们约每隔11年会周

发表于:2018-12-07 / 阅读(176) / 评论(0) 分类 太阳科普

Sunspots 太阳黑子 Is every part of the sun equally hot? 太阳的各个部分都一样热吗? No, they aren't. Some parts are colder than other parts. 不是的。有些地方比其他地方冷。 How do we know that fact? 我们是如何知道这

发表于:2019-01-10 / 阅读(161) / 评论(0) 分类 与美国小学生一起学英文第10册

By David McAlary Washington 07 March 2006 NCAR scientists Mausumi Dikpati (left), Peter Gilman, and Giuliana de Toma examine results from a new computer model of solar dynamics Researchers predict tha

发表于:2019-02-04 / 阅读(152) / 评论(0) 分类 2006年VOA标准英语(三月)

16. UPBRAlD : REPROACH :: (A) dote : like (B) lal: : stray (C) vex : please (D) earn : desire (E) recast : explain Directions: Each passage in this group is followed by questions based on its content.

发表于:2019-02-21 / 阅读(247) / 评论(0) 分类 实用英语
学英语单词
.hcom
airmen
aphides
armed merchant cruiser
asynchronous device
attenuation band
augen kohle
Aulis
automedication
autophacoscopy
auxiliary service transformer
be all in a tumble
Bhowa
biorbital angle
bitchwad
Bolj Mechhed Salah
Borjak
cableless
calliopiid
cane masher
Carbon Fiber Tubing
Chagang-do
chook raffle
cibation
close-loop control system
coliseum
comparation potentiometer
composite item of cost
control of maintenance
cork rope
correlative
cynanchum atratum bunge
daughter company
Declaration of Shut out
derivative synchronous fluorescence
dielectric drier
direction of fibre
double-block
emender
errors
excussio
fixed deviation
food-delivery
full track
fully electrified
funniosity
girolles
give someone the go-by
harmonicaist
have no alternative but
histolyticas
homolactic fermentation
hot dogtorium
Howship's lacunae
INCC
India-rubber jaw
indirect pulp capping
instopped
knurl wheel
Kryuchkovo
landing of goods
life cycle cost (lcc)
light cover
Limothrips
Lotus Notes
magnetic beam switching tube
malignant neutropenia
mean spring range
minicomputer network
monocambial
multiple-personality
musanna
native code
nock-hole
numerical aperture
nutech
original antigenic sin
overblows
Parkyn
peripheral arterial pulsation
photographic sequence
planting growing
precisely speaking
protolyses
Rakovitsa
reraise
shear correction factor
single fiber cable connector
single screen
spewiness
stable development
statutory functions
structure-preserved
synagoguegoer
transposition method of measurement
Valentine's position
vibration production
waddel
water opal
wireless receiver
written resolution
yorkbased