羟喹,羟基喹啉

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(63) / 评论(0) 分类 国家地理2008年

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(271) / 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(654) / 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(61) / 评论(0) 分类 2018年VOA慢速英语(十)月

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(68) / 评论(0) 分类 自然百科2008年

By Brian Padden Irbil, Iraq 17 August 2007 The death toll from a series of suicide attacks on Iraq's Yazidi sect on Tuesday continues to rise. Officials now estimate at least 400 people were killed and hundreds more wounded when four truck bombs expl

发表于:2019-02-03 / 阅读(101) / 评论(0) 分类 2007年VOA标准英语(八月)
学英语单词
-pated
alizarin lake
andesites
auxiliary current
Barsbuttel
Beasain
ben davis pt.
book language
braiding netting
cases broken at bottom
centring tongs
cervise
chromis acares
coke bugs
combined bridge tapped foot
communal nest-box
condemns
cosmic-ray exposure
counterfissure
deceivers
declaration of neutrality
deep-sea cable
drewett
dust collection
E. G. D.
elegant theory
endulge
enthalpy of saturated liquid
feed-back of ovarian hormone
fish hatch
flyback interview
frustum of sphere
gearless driving
ground-source
hands
hydroextractor
hymenaea courbarils
improves upon
inflict a punishment on a criminal
International Committee of Aeronautical Navigation
ivories
jet on underfeed condition
jib-type tractor loader
kelung-insulare
Las Tablas
liming tub
Lothians
massetti
maximum matching problem
Membrana interossea antebrachii
mephenesins
microexotropia
mitius splendens
monoscope
moving uniform load
nahazone
near field potential
nervous system
neuropeptidomes
neutron parameter
noc
nymphomyiid
optimumvalue
ovicaprid
Pancake Range
Peraleda del Zaucejo
perioperatively
persiflage
pick-up loop
pipeline compressor
plaintext secret key
Pobeda Peak
post set time
postmortem diagnsis
power response
prior to the date due
professional wrestlers
promoter region
propagation of medium frequency radio wave
ralphson
random satellite
remote control electronic switching system
repeal of corn laws
rhombic feldsparanalcite trachyte
sales target
Salix crenata
sand flat
single shaft arrangement
slossitis marginalis
sodium tannate
sonosensitizer
strategic level
to-stick
trumpet player
varicond
video file
Wad Medani
water retaining dam
wood of deciduous tree
xylophilus
zonal depot