狭食性昆虫

Plants vs. Insects 植物和昆虫 New research is shedding light on one of the longest running battles of all time -- the war between plants and insects. Plants may seem helpless, but they have complex chemical defenses. Plants vs. insects -- today on E

发表于:2018-12-07 / 阅读(38) / 评论(0) 分类 (科普英语)Earth and Sky

[0:02.043]UNIT 2 Talking About Lessons [0:06.942]Lesson 6 What's an Insect? [0:09.963]Let's talk. [0:12.493]What are you doing? [0:13.932]Uh..., nothing. [0:16.289]I'm not [0:16.779]telling you. [0:18.024]Oh, please. [0:19.697]OK. It's a ladybug. [0:

发表于:2018-12-13 / 阅读(38) / 评论(0) 分类 新路径小学英语五年级上册(三起)

[00:03.76]UNIT 2 Interesting Lessons [00:07.18] Lesson 6 What's an Insect? [00:11.33]Let's talk. [00:14.13] What are you doing? [00:15.44] Uh...,nothing. [00:17.93]I'm not telling you. [00:19.52]Oh, please. [00:22.04]OK. It's a ladybug. [00:23.79]It'

发表于:2018-12-13 / 阅读(48) / 评论(0) 分类 新路径小学英语五年级上册(一起)

ARI SHAPIRO, HOST: At the University of Wisconsin, some students are blending art and science to create hotels that might save disappearing insects. Susan Bence of member station WUWM explains. SUSAN BENCE, BYLINE: Every year, lecturer Katie Martin-M

发表于:2018-12-18 / 阅读(37) / 评论(0) 分类 2017年NPR美国国家公共电台6月

Pick the World's Ugliest Insect Arizona State University and Northern Arizona University want your vote at askabiologist.asu.edu/uglybugs to help them crown the ugliest insect in the world. Adam Hinterthuer reports Will you pick Sweetness or The Goll

发表于:2019-01-30 / 阅读(93) / 评论(0) 分类 60秒科学

Since the April 20 explosion and fire that sank the BP Deepwater Horizon off-shore oil rig, about 800,000 liters of crude oil a day have been spewing from the broken well into the Gulf of Mexico. The massive spill is threatening marine life, commerci

发表于:2019-02-05 / 阅读(68) / 评论(0) 分类 VOA标准英语2010年(五)月
学英语单词
adina globiflora salisb.
alignment errors
all smiles
annigilator
asialo-fetGL
backbulge
barbak
belt-buckles
betoloside
blue-bloods
book awards
bouilli
bowlo
cast steel
cincture
click-bait
contraction axis
Dalum
dederichs
definite term
desk dictionaries
dewatering coefficient
dicont
double induction regulator
Dyat'kovskiy Rayon
electrophoresis of sea water
eleotherapy
emergency combat capability
entrada
Epi-monistat
episodick
ferrifayalite
flattened spherulite
flinder diamond
forced locking device
four-way cock
French polishes
Fresnel diffraction wave
genus Stropharia
Hausa Sign Language
Heliamphora
help menu
heme synthetasedeficiency
high speed alphanumeric printer
Ilex intricata
Ind.E.
index gear
intestinal
intrinsic noise of detector
iowa cephalometric standards
Kambor
kjeld
Kleinhammer
lan (abbreviation)
linaridial
lips-to-lips
Many a slip twixt cup and lip
masked homosexuality
material for reactor pressure vessel
maytals
microwave popcorn
mideplanin
miscites
National Science Museum
nitra-amine
non-self-governing
organise
para-tungstic acid
pleased as Punch
pleuroperitoneal foramen
premature bubbling
Primaterstea-Depot
psammos biliarius
pulse steepness
push-down list
put up a good show
quiet volcano
rabbiter
reactor breeder
reannounces
registrations
Riegersberg
rumbliest
sedewale
situational leadership model
soluble polymer
special inoculation
staff less library
sulphureum
suspended hunting area
symbologists
synthetic bouguer map
thermodynamic economics
twen
uflow
unguided glide
vanguard
videoprinter
waist cutter spindle
Westbury apple
Xujiahe Formation
zinc green