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(75) / 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(80) / 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(71) / 评论(0) 分类 2018年科学美国人2月
学英语单词
academic training
Afghānestān
alarm plate
Amauroderma
Americaniser
amsssop
An Giang, Tinh
applied electrical physics
as often as
azurocidin
Batati
benzoyltrifluoroacetone (BTA,HBTA)
calcogenide
calreticulins
carrier's liability
chine line of keel
chuys
ciraldo
collanders
color in
considered
cycle steal
delayed neutrons yield
digiti ii-iv (pedis)
essential fatty acids
extra rapid hardening cement
failure-tolerant system
first-aid repair
first-in first-out queue
forest amelioration
Friedrichsgraben
funderburke
gas-guzzler
gay-straight alliance
gouges out
heading cup
high pressure adjusting spring
idiomere
indifferent electrode
infinite rejection filter
Johann Christoph Friedrich von Schiller
Kelso
Lauchheim
lazcano
liese
likomas
luggage voucher
magmatic deposits
menaced with
mengs
microsclerotia
mnookin
nanak
narrow beam sound source
needle-valve
neural crest
no-contact
nonargument
nose-leaves
not (notification message)
open business
oxytoluene
packing layer
palaeogeic reallm
paracentesis
parasitized
pharyngoscopist
plexus trigonalis (venosus)
plugged pouring basin
plugging machine
plusonermin
Pretty Prairie
pudina
rate controlling mechanism of slip
rechallenging
red muscardine
reliability performance measure
resistance gauge
riroriro
romera
rotating magnet head
royal clew line
Scolopia henryi
Scopas
styryl methyl ketone
supanate
Sīfenī
T. H.
take a scunner at
tender tongue
tied to
time diagram
tooth-crest
Tuluksak
turning-circle
Tzom Gedaliah
usable field strength
Variable-rate loan
vision fading
weather-beatens
wheresomever
yellow ingot metal