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(130) / 评论(0) 分类 Scientific American(七)月
学英语单词
A student
acu-injury
air cleanliness
astell
available unit queue
base interest rate
bewas
biuncinate
California Hot Springs
calumniatory
case-bond grain
center drill
chattels lien
Chrommuscovite
cognovit judgement
concheros (mexico)
coup de main
Cremanthodium suave
develop in proportion
dianeticss
diaper rashes
dictyocauluss
differential gain error
division of power
dragee machine
dust content
eddy peak echo method
elephant-head dune
enthrone in
euro-event
exchange 2000
flight-path tube
foam hydrant
frank coopers
gazino
gorhen
gramme ring winding
hair pin
heart hypertrophy
heterodymous monster
huit
hunchbacks
imp (interface message processor)
joining with swelled tenon
launching phase
lightning interruptions
lipoid substance
lustigs
malignant malaria
Mark-Houwink equation
masamitsu
maximum high-water lever
metaaluminic acid
methyl-boron-dihydroxide
moth-proof
murkowski
never-nude
news-sun
non-degenerate divisor
NumberTen
ochreas
ocularist
Ostrogozhsk
pan-up
pancreatic canula
paraaortic bodies
peanut agglutinin
Pelions
percent reference line
philhellenism
poor-relief
presidary
pseudodystrophia
put one's oar in
pyelointerstitital
ram-pressure orifice
rank(s) in one-way layout
regional cerebral metabolism rate (rcmr)
resistor microelement
resummon
scheins
sea exploration vessel
setting rule
shepherdlings
sialagogues
stry
subtolerance dose
suction check valve
superior labial arteries
talantropia
tangi (maori)
tetanus facialis
throw sb together
tigies
transonic thermal blooming
transverse vibration of rotor
truss bead rivet
Unisys Corporation
valerius
white pagoda
YGLT
zygostyle