音标:[.megә'lɒpәlis] ;
n. 特大都市, 人口稠密地带
n. a very large urban complex (usually involving several cities and towns)
词型变化:名词复数形式 : megalopoliss
词性分布:
名词100%
【近义词】

MELISSA BLOCK, HOST: For centuries, scientists and amateur botanists scoured the country to document and preserve plant species. Their findings were prized like fine art. Now there's a new effort to digitize these collections, a treasure trove for re

发表于:2019-01-17 / 阅读(133) / 评论(0) 分类 2018年NPR美国国家公共电台9月

spiritual.... From Dazu Lily and I travel to the nearby city of Chongqing. Because of its postion in the middle of the Yangtze and the country, it's always been a major transport hub. Today, it's one of China's fastest growing cities.-Just coming to

发表于:2019-01-22 / 阅读(138) / 评论(0) 分类 自然百科2015年

New Map Knows Noise It's harder and harder to find peace and, especially, quiet. Just ask a field researcher deep in the wilderness. Even in the most remote parts of Alaska the sound of a jet crossing overhead is all too common. 寻求安宁越来越难

发表于:2019-02-13 / 阅读(138) / 评论(0) 分类 2018年科学美国人2月
学英语单词
abutting end
adhesion work
air-chamber pattern
alexsy
aminocarb
antialbumate
athetotic speech
automatic field weakening device
axle weight limit
bimetal release
bitt pin
bullfighter
cadence-lypso
Canaples
cellular glass insulation
center wire
chondral
circle of contact
classification of game
conjugate plane
Cunette.
cyclosal
debris growing rate
decationize
dihole
Discussion Group
double squirrelcage motor
editing recording environmental and print
efficiency rating
electrical drying furnace
electronic kiosk
epichroic
estuates
farone
Fn3
freeable
geomagnetic diurnal variation
giffin
grilled cheese
half-penny
hew-hole
high-expansion foam
home LAN
hormogon(e)
hydronaphthol
illumiaated track
indefinite quadraticform
insulator pellet
laist
left flagellar pore plate
loading calculation
logging tool
maximum transport velocity
micropyrometry
minuric
mulwala
negative resistance tube oscillator
nhg
non pecuniary
nonboating
North Atlantic Radio System
oogenus
Osani
overselfish
paraboloid cone
permanent asset
Perret Seamount
phyllobranchiate gill
pipradimadol
plasmolyzing
population size
proprietaries
Quassia-wood
raw-materials
re-odorants
remended
roller clearer
salivaris carunculae
sausage casing
scentless mayweed
scuttle hole
self oscillation
show a light pair of heels
soda solution
songlifting
sophisticated equipment
Speke
spinal caries
spring-headed
squidge
st. elias ranges
starting leakage
sun glitter
thickness function of airfoil
transitory mania
vacuum clamp
vibrator power supply
voiceband facility
void growth
Yagnitsa
zone of abnormal audibility
Zāskār Mountains