n. 单萜类
[网络] 单萜类化合物;单萜類;类单萜

We present the second of three parts of the short story Benito Cereno. It was written by Herman Melville. Last week, we told how African slaves on a Spanish ship rebelled in seventeen ninety-nine. They killed most of the Spanish sailors. Only the cap

发表于:2019-01-02 / 阅读(273) / 评论(0) 分类 2017年VOA慢速英语(十二)月

We present the last of three parts of the short story Benito Cereno. It was written by Herman Melville. As we told you in earlier parts of our story, rebel slaves seized the ship San Dominick off the coast of Chile. They killed many of its officers a

发表于:2019-01-03 / 阅读(658) / 评论(0) 分类 2017年VOA慢速英语(十二)月

We present the second of three parts of the short story Benito Cereno. It was written by Herman Melville. Last week, we told how African slaves on a Spanish ship rebelled in seventeen ninety-nine. They killed most of the Spanish sailors. Only the cap

发表于:2019-01-03 / 阅读(65) / 评论(0) 分类 2018年VOA慢速英语(十)月

This is the VOA Special English Agriculture Report. In nineteen ninety-four, animal health experts started a worldwide campaign to end rinderpest. This disease is closely related to the measles virus but it does not infect people. Yet for thousands o

发表于:2019-01-12 / 阅读(45) / 评论(0) 分类 2010年VOA慢速英语(十一)月

Pastoralists Played Major Role in Ending Rinderpest In June 2011, the U.N. Food and Agriculture Organization officially declared that the deadly animal disease rinderpest had been eradicated. The disease devastated livestock and lingered in Africa lo

发表于:2019-01-13 / 阅读(60) / 评论(0) 分类 VOA标准英语2012年(九月)

By Jessica Berman Washington 04 October 2007 Fifty years ago, on October 4, 1957, the former Soviet Union launched the first man-made satellite into Earth's orbit, called Sputnik , which began a space race with the United States. While the intense co

发表于:2019-01-16 / 阅读(53) / 评论(0) 分类 2007年VOA常速英语(十月)
学英语单词
absorbing absolutely convex closed set
acheth
acid-resistant material
additive puzzle
aequidens
air quality macroscopic survey
Amplex videotape recorder
andreassen
Asaphellus
atavistic heredity
azimuth of the principal plane
back-to-back connection converters
backward glance
ballwin
be weary for
biarticulate tentacle
boot load program
breast blister
Bruguiera
cardiac luminal anastomose
catechizes
cba (chemical bond approach)
charles taze russells
Chërnaya, Gora
Company Law.
consumer application
coquilles saint-jacquess
core production
D-allose
de la garma
derived specimen
design critique
driven ground
electrostatic dry spraying
equilibrium vapor pressure
esquired
federal buyout
felt the pinch
form and position tolerance
Guier plane
harpenau
height increasing of levee
hemidrosis
hicked
hippocampal cortex
homogenous precipitation
horizontal die slotting machine
impasted
invariant bilinear function
isabellum
isadrine
ischemic tubulorrhexis
isogriv chart
Laodicean policy
legal parental authority
loosened oxide
Machiavelli Niccolo (di Bernardo)
maintenance fund
metalizations
mill data
minimal diversity
ministrated
moment of torsion
monzonitic granite
Mæl
non-periodical profit and loss
nonextremality
Norham
novotna
orthology
overconsolidated fissured clay
overload heater element
padsaws
Panicum paludosum
perception of brightness
phosphonate
planned budget
pole finding paper
ratio of pit-depth to pit-diameter
reading for
relay spring stop
renal glucosuria
ripple coefficient
run-of-the-
safety winding
sagrestia
Saleniidae
sampled picture
schiefelbein
shpaed reflector
sine beat test
social practice
sonar probe
start with
stop oil
subject authority list
TIS (total information system)
two-dimensional photoelasticity
uppermost in my mind...
V-bend die
voltage-doubling circuit
widow birds