初期害虫

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(37) / 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(37) / 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(91) / 评论(0) 分类 60秒科学

CANBERRA, Feb. 18 (Xinhua) -- Australian Labor Party's primary vote stands at just 30 percent, down 5 points since December, the latest Herald/Nielsen poll published in Fairfax newspapers showed on Monday. This is the first time that Tony Abbott is t

发表于:2019-02-08 / 阅读(65) / 评论(0) 分类 英语新闻
学英语单词
accelerated weathering
accountancy organization
Administrative Law of The United States
afrikander sheep
alter for the better
apla
aromatic carboxylic acid
australopithecines
bahama hemp
bakir cayi
bergapton
bipunctual
body-sizing die
bromous acid
caloceras
Cartagena ipecac
champignons
chili con queso
contra asset account
conventus
core volume
crow foot cell
cut the vertical earthwork bottom
dachaus
dial pusle register
diazobenzyloxymethyl paper
distefano
disvitaminosis
divertest
double-rail track circuit
Dresdner Bank
drosts
Easterville
echevarri
El Toro
Elizabeth Merriwether Gilmer
elvis
eupacunolin
externalizable
fire prevention and control
forward-acting decoder
fracture of shaft of fibula
Gauss principle
grass widows
gross travel of threading tool rest
gryph
guarantee reserve
hand brake shoe
hand dryer
heat emission in radioactive decay
heterocatalytic
high speed cutting nozzle
hot deformation
hunt-the-thimble
Kanie
ketovaleric acid
laisser faire
leotia lubricas
lets in on
linn
loss in tube
lupper
Mahalona, Danau
mamish
marundite
membranous granules distributing tube
Metatarsointersesamoidean
middlecoff
minnerichi
moon-suit
myelinations
nuclear umbrella
overdrainage
pbenethium
Peleus, Mt.
peperomia reflexa (l.f.) a. dietr.
protoperidinium steinii
pseudorandomness
psychologise
rasheda
rationalizing
reasonous
saher
Saliste
seafennel oil
segmental distribution
seripositor
sicalite
soil testing and fertilizer recommendation
solid state theory
still water surface
Strathallan
stripper efficiency
stromoid
subdevelopment
synneusis texture
three-axis control
transmuters
unfarnesylated
use one's wits
Wallichia disticha
wet-strength paper