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发表于:2018-12-04 / 阅读(114) / 评论(0) 分类 英文魔法师字源大挪移

The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt

发表于:2019-01-08 / 阅读(33) / 评论(0) 分类 Scientific American(九)月

By Noel King Kigali 08 September 2007 Humanitarian aid groups are sounding the alarm as fighting in the eastern Democratic Republic of Congo forces tens of thousands of civilians from their homes in North Kivu Province. Noel King has more in this rep

发表于:2019-01-09 / 阅读(122) / 评论(0) 分类 2007年VOA标准英语(九月)

Levee 堤 A levee is a system to control water levels. 堤是一种控制水位的系统。 When it rains a lot, floods can happen. 降雨很多时,就可能会发生洪水。 People build walls along rivers or coasts to prevent floods. 人们在河边

发表于:2019-01-10 / 阅读(28) / 评论(0) 分类 与美国小学生一起学英文第7册

The oyster has a little mouth, a stomach, and other organs. It breathes like a fish by sucking air out of the sea-water with its gills; and it also gets its food out of the sea-water. 牡蛎有一张小口, 一个胃, 还有其他的器官。牡蛎的呼

发表于:2019-02-13 / 阅读(31) / 评论(0) 分类 英国学生科学读本

BEIJING, Aug. 26 (Xinhua) -- Typhoon Tembin and Bolaven are moving towards China's coasts and will bring gales and storms there on Sunday, the country's meteorological authority has forecast. The year's 14th typhoon, Tembin, was in the northeast of t

发表于:2019-02-18 / 阅读(36) / 评论(0) 分类 英语新闻
学英语单词
acetabularia major
AISE
ambache
among others
arenberg
be abreast with
begonia chitoensis
cape hatterass
cerebral arhythmia
class rhodophyceaes
clean float
coldbloodedness
color fastness to daylight
colour transparency
commercial broadcasting station
corneal fissure
corvis
cover strata
debris slide
decawebers
deduceable
dies nut
disease of viscera connecting with this channel
dl, dl.
dowelled
eicosadienoic acid
electric furnace with low hood
Elianite
email reader
energy norm
espalier
fixed-needle surveying
Florists chrysanthemum
fore-reach
formaldehyde urea copolymer
gas mask canister
gastric lymph nodes
golden duck
grace hopper nanosecond
group technology
haem-
hair net
has an objection to
have appeal
hayezs
hazardous cargo
horseshoe quality
intertemporal budget constraint
into shot
isometric
joint breaker
keteni
lichtensteins
lieutenant-colonelcy
lined
lodges in
major order
masor
mg/l
mid-twenties
mobile operating system
multiple frequency absorption band
mycotic infection
nandrolone undecylata
nasal root breadth
Newar
optimum spacing of crossing places
peewee tech
Pentachorophenol
potyvirus pepper veinal mottle virus
prepar
prit
prurlgin
Pseudohyria
pucs
pudding faces
qio
rear side
resource class
Rivière-Bleue
roaf
Sauropus tsiangii
screened porch
selection hypothesis
self-injure
sexual-deviation
sharovari
shed load
ship-wave interaction
sirra,sirrah
square-sterned ship
toe sb out
trussed beam plough
turm
underwriter's pseudonym
unmanned hydropower plant
Utricularia limosa
variable-reluctance pickup
voluntaryism
wazir
web hosting
Wheatstone bridges