计算机辅助设计工具

Intelligent Crows Use Tools What do otters, chimpanzees, and one species of crow have in common? All three are animals. They also use tools. Scientists have long known that a crow native to New Caledonia is able to use tools. The birds use them to re

发表于:2018-12-16 / 阅读(39) / 评论(0) 分类 2016年VOA慢速英语(九)月

Chuck: Just remember that we have a lot to accomplish today, so lets just get what we need and go, okay? Ayaka: Sure, we just need a few tools for our DIY project. The power tools are over there. Chuck: Whoa, were not getting power tools. We just nee

发表于:2019-01-01 / 阅读(46) / 评论(0) 分类 地道美语播客

The number of foreign-born players in America's professional National Basketball Association has tripled in the past two decades. One of the veterans - San Antonio Spurs' Tony Parker - and a rookie - Washington Wizards' Hamady Ndiaye - talk about the

发表于:2019-01-06 / 阅读(45) / 评论(0) 分类 VOA标准英语2011年(二月)

To do a job right, you need the right tools. Even a chimp knows that. According to a study in the American Journal of Primatology, chimps in the Congo use multiple tools to capture army ants. Youve probably seen footage of chimps using sticks to har

发表于:2019-01-07 / 阅读(92) / 评论(0) 分类 60秒科学

The U.N. refugee agency reports torrential rains in Chad are affecting about 150,000 people. The UNHCR says more than one-third of the flood-affected victims are refugees, mainly from the Central African Republic. Heavy rains have been pummeling Chad

发表于:2019-01-14 / 阅读(63) / 评论(0) 分类 VOA标准英语2010年(九)月

DEVELOPMENT REPORT – July 29, 2002: Tools for Development By Jill Moss (Photo -CARE) This is the VOA Special English Development Report. Building things or making clothes can be difficult in develop

发表于:2019-01-30 / 阅读(74) / 评论(0) 分类 农业与发展
学英语单词
absolute zero
academic achievement
acarol
across the country
actual singular point
akiraho
ammoaciduria
amphizoology
approximant
Argus
Asian Semi-longhair
Bayes estimation learning system
binding energy
black smoker complex
Boot menu
butch-femme
cesky krumlov (krumlov)
Checes
chronological sequence
civil date
coccidioidomycosis
columbium pentoxide
conductance for rectification
conductoress
cordol
coupling unit
crustal geophysics
customs custody
cut terrace
cyathus stercoreus
design control
dolichocentra
double bars
electron probe micro-analyzer
ethinylestradiol
family entomophthoraceaes
feed tray location
fire-swallower
first-aid chest
flight information display electronics
form psychology
get to school
get too big for one's boots
gold speculation
grapheme-phoneme conversion
grays in silicon
ground-type Koepe winding
growan
HSV-I
IGFBP
immunospots
intracavity pulse compression
karaoke machines
lacunary series
Lamina posterior
laser trimming thick film
long-goner
lumpenprole
Manār, G.of (Mannār, G.of)
minimal type
Mölltal
NUCULIDAE
nutrient deficiency
out-worth
papinians
paragnatha
party-line
paying counter
philippine islandss
pingree
pointed head
polepiece
potential method
proxyship
pseudonymph
pyrido-
ramotswe
recurrent number
relay belt
reorgs
revived stream
ripstop fabric
saturated fatty acids
savings clause
second posterior cell
side-delivering crop loader
side-way
space power systems
subulinids
Synge, R.L.M.
temperature of boiling hydrogen
tensor product
thuc.
to name a few
toluene oxidation
touch sb. on the raw
transanimates
tubular braid
uncollided flux density
way-type drilling unit
within the walls
Wolinella