雅罗鱼

Populations of frogs, salamanders and other amphibians are declining around the worldeven in protected areas, like U.S. national parks. Ecologists needed a simple method to track the animals numbers. Now, researchers have found an effective way to ke

发表于:2019-02-14 / 阅读(104) / 评论(0) 分类 2018年科学美国人1月

For Minnows, A Suicidal Survival Strategy 北美多种小型鱼类,特别是鲤科(Cyprinidae)鱼类的总称。亦指荫鱼科(Umbridae)和鱂科(Cyprinodontidae)鱼类,minnow一词又泛指许多大型鱼类的幼鱼。北美的鲤科米诺鱼包

发表于:2019-03-09 / 阅读(182) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acid proof stain
actionaid
activated process
acyl isethionic salt
ad dibdibah plain
akti
Alto de Caballeros
anti-icing equipment
aratos
asthmatic status
autobloc
Bascanichthys
base block
be permitted
belick
blenkinsops
block-releases
brandlike
business accounting unit
Byarezinski
calvarian
cane ware
cassanova
cast-in-place concrete pile rig
CAU
ch'ien ku wu
chondroplasty
cinematographical analysis
cocoon-drying machine
cold air circulating system
common emittor
contra-acculturative movement
contract-rate tariff (two-part tariff)
Corme-Royal
crescentic gouge
customs examiner
deficit-covering financing
difnein i.
disacchride
discoverance
ditransitivity
doup heald
effac? devant
end connection
engraded
epistoma
estimated horse-power
exhaust tube
federaltion of economic organizations
formosan serow
GGTT
giant islets
granddaughter cyst
gravity return system
Hardian
hexachloroplatinic acid
hydrate inhibitor
inapparent
inexpiable
intercontinental trunking
interruption mask register
intrathoracic
La Bâthie
macro view
mainshaft bearing cap
major diameter
malleoidosis
meditatist
mnsd
nonempiricist
passenger service system
perform maintenance
photoreceptor cell
plastic sandwich
posttrematic branch
Programming software
prom.
punishableness
realism in mathematics
reassimilates
reference agency agreement
rescue equipment
salfemic (c.i.p.w)
segmentum anale
semisubmersible drilling vessel
sensitiveness of governor
smaak
small coasting trade
snark
soaking pit
strategery
string bets
Svolvær
take up his indentures
tayel
tolyl carbinol
trus
uchimuso
unexploited
unicellular rubber
Vaccinium pratense
wrist spins