[医]轮生马利筋
词型变化:名词复数形式 : whorled milkweeds

Voice 1 Welcome to Spotlight. Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 I was watching a butterfly the other

发表于:2018-12-19 / 阅读(168) / 评论(0) 分类 环球英语 Spotlight

That'true. monarch butterflies lay their eggs on milkweed plants.The caterpillars feed on milkweed, from which they extract substances called cardenolides, a type of chemical that can cause heart arrhythmia. This toxin doesnt affect the caterpillars

发表于:2018-12-27 / 阅读(137) / 评论(0) 分类 英语时差8,16

Students at P.B. Smith Elementary Schools ecology club are learning about the life and migration of monarch butterflies. They learn in the classroom about the butterflys need for certain plants. They learn scientific words for the stages of a butterf

发表于:2019-01-03 / 阅读(509) / 评论(0) 分类 2018年VOA慢速英语(七)月

Voice 1 Welcome to Spotlight. Im Adam Navis. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Human life is full of friends and en

发表于:2019-02-14 / 阅读(179) / 评论(0) 分类 环球英语 Spotlight

Planting Milkweed for Monarchs? Make Sure it's Native Monarch butterflies depend on milkweed. They lay their eggs on milkweed, and their caterpillars eat only the leaves of the plant. No milkweed means no monarchs. So the best way to help declining m

发表于:2019-02-14 / 阅读(176) / 评论(0) 分类 2018年科学美国人4月
学英语单词
2-HXG
a windbag
accelerator nerve
aerial scouting
alosa menhaden
altercation in contract
amability
anicius manlius severinus boethiuss
animadvert
bank of transformers
bear a reference to
beefin'
block section between stations
bloomfields
buffalo gnats
C. I. C.
cementodentinary
cetchup
clausewitz
Clythiidae
corradiation
critical ph value
daysprings
deflation gap
DFBP
dialing rules
diesel scavenging air
drabb
effective fragmentation
enbaissing
ependymites
Etisine
exact straight-line mechanism
exorel
fangirls
female monogametism
Fibro, fibro
genus delphiniums
genus Hemitripterus
H-plane T junction
hard-fightings
heterocercy
high speed reaction
home town
hornet's nest
industrial organization experiments
inspection of the scene of a crime
iridoparesis
Kalgan
lift the embargo
Listera cordata
longitudinal strength member
manhole frame
marching-band
methylcarbamate
modulus of traverse elasticity
monobrids construction
NC-thread
neidium amphirhynchus
Neutral network
new off the irons
non-malignant
nonnegativity restriction
once-active
oxyphilus
pampers
paradises on earth
parms
pedunculus thalami basialis
Pematang
physiology of hearing
printing companies
prowhite
Rabdosia excisa
rational mechanization
Rauna
refold
retrolabyrinthine
rubber jungle
sampling instant
scrubber filter
sepulturing
shutoff mechanism
slow extractor
snaper
South Georgia and the South Sandwich Islands
starter ground strap
streamline test
supersedal
swenson
theaft
three-way connection
trebling
tubing pulling unit
unclear reaction
urban education
valenciennes laces
vertebrate embryology
wear process
whoopee
woodcrafted