音标:['kræbgrɑ:s] ;
n. 马唐(一种杂草)
n. grasses with creeping stems that root freely; a pest in lawns
词型变化:名词复数形式 : crabgrasses
词性分布:
名词100%
【近义词】

Lawn enthusiasts love a lush, green carpet of grass, which is why they hate crabgrass. And now, they may have one more reason to despise the weed. Because crabgrass isn't just faster-growing than the rest of the lawn. It may actually be poisoning the

发表于:2019-01-20 / 阅读(142) / 评论(0) 分类 Scientific American(七)月

Lawn enthusiasts love a lush, green carpet of grass, which is why they hate crabgrass. And now they may have one more reason to despise the weed. Because crabgrass isn't just faster-growing than the rest of lawn. It may actually be poisoning the lawn

发表于:2019-01-20 / 阅读(133) / 评论(0) 分类 Scientific American(七)月
学英语单词
acathetic
actinomycetic
Aguelhok
air inlet lip
Amasust
ambutonium bromide
anti-busing movement
antiresorptive
Arabian cron
archaization
atmospheric drag perturbation
aunthood
autopiloted
be-east
beamless hall
bearing neck up-rising inclination
Bense
bioboring pore
bradykinetic oscillation
brahmadanda
bypass condenser
cacks
center-pivoted window
chemosensing
chronaxie meter
closed hole
co-inheritance
complexone
Cornu's spiral
cost an arm and a leg
cotriptyline
cubic feet per day
cyclaine
deck tackle
dinosaurs mating
disjunctive-conjunctive goal
dust-coated
East Worldham
ens-
evening entertainment
extreme control
financial bonds
flavo(u)ring material
frenoy
fried salted cabbage and fresh bamboo shoots
fuel processing system
gervasio
have the heels of someone
hidden resources
horizontal vacuum chopper
hydride descaling
inert-gas carbon-arc weld
inferior court
intercostal angle
intermediate gear
international audience
kaskinen (kask?)
Knollendam
light-hours
local tax payment
lyar
mailing label
mandorlas
melanagromyza dolichostigma
mianzi
microstomatous
modern timess
neen
negative reinforcer
non-analytic differential equation
noninfarct
penetratration test
photinia impressivena hay.
phyllosticta aucubae hara
polar current
polymorphnuclear leucocyte
power penetration depth
prechills
Protorosaurus
records service practice
religious marriage
richies
scirtothrips acus
sea-levels
snapweed
stomatography
Stratonovich stochastic integral
surbase
Swinglea
tape expression
tatie
thermal shock resistance test
thermal sleeve
timepiece
triangulator
tubal uterine implantation
unbidden guest
value-positions
wear preventive additive
Weinmannia
yellow ageratum
yoked