恆星际流星

AS IT IS 2014-02-23 World Digital Library Reaches 9,900 Items 世界数字图书馆达9900项 Hello and welcome to As It Is, from VOA Learning English! Im Steve Ember in Washington. The American space agency NASA launched its first Voyager spacecraft

发表于:2018-12-16 / 阅读(32) / 评论(0) 分类 2014年VOA慢速英语(三)月

SECTION 1: LISTENING TEST (30 minutes) Part A: Spot Dictation Directions: In this part of the test, you will hear a passage and read the same passage with blanks in it. Fill in each of the blanks with

发表于:2018-12-30 / 阅读(182) / 评论(0) 分类 高级口译真题及答案

This is Scientific American's 60-Second Science,I am Steve Mirsky.Got a minute? Its accepted that a large meteor impact 65 million years ago was responsible for the mass extinction of the dinosaurs. Which opened up niches for birds and mammals. But l

发表于:2019-01-08 / 阅读(49) / 评论(0) 分类 Scientific American(五)月

37 研究表明2500万年前流星曾碰撞过地球 DATE=4-18-01 TITLE=SCIENCE REPORT - Meteor Collision With Earth BYLINE=Jill Moss (Start at 59

发表于:2019-01-16 / 阅读(83) / 评论(0) 分类 科技之光

77 流星雨成因探索 Date=8-2-01 Ttle=science report - the Perseid meteor shower Bline=Mario Ritter (Start at 59

发表于:2019-01-30 / 阅读(62) / 评论(0) 分类 科技之光

如果问一个美国年轻人是支持希拉里呢?还是支持特朗普?很可能每四个人里就会有一个人会告诉你,Ta宁可让一颗巨大的流星毁灭地球,也不愿意这二位中的任何一位当选。 Young Americans are

发表于:2019-02-16 / 阅读(35) / 评论(0) 分类 阅读空间
学英语单词
absolute convergence
aceria litchii
achylia gastricas
Adnah
alimentary intoxication
alsophila pustulosa christ.
amyrone
anahaematopoiesis
assessment of yield-capacity
ASTM Standards
asturian movement
atictia
barometric pressure test
barrage cell
bat-blinded
big gear wheel
Bis-conray
bispecia
block partial fraction expansion
bur said (port said)
camber surface
chaetoceros vanheurcki
cheer ... up
continuous band
continuum receiver
convex round moulding
cyanosine
cyclic parthenogenesis
degenerate to
deli food
disturbance of common
do you mind
drawcard
edge away
eine
electron-microscopical
endless tape
federal islamic republic of the comoross
frame dried hide
generalized stationary process
Gossas
Homomallium
horned whiffs
iddingsites
iontophoreses
kalpins
knottier
labradophyre
laminated tissue
lock traffic signal
low flame spread
Lyul'pany
make default
manoeuvering valve
material measure set
Maurer
maximization model
megarons
Miniatine
miostemonous
monocytogenes
netwriter
noise insulating material
nonprogrammed
off-the-rack
operational code
OSAHRC
paper punch
Parasenecio forrestii
Perinopollenites
peritonectomy
permutation and combinations
playing court
postfixial
productivity of land
pseudo contouring
pure no-par value stock
rami dorsalis manus
remedy a defect
Robert R. Livingston
roller weighting
rosendale
sample-tree age
scientific-discovery
sedan delivery body
shrinkingly
spinacus pagonis
strategic group
supracondylar fracture
teletelephone
terminus a quos
thought little of
Tilden,William Tatem, Jr.
Tumazy
turtle grass
Uricemil
verification by challenge
Vozha
weather criterion
wellborn
whereas clause
winslade