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Recycling Plastics When plastic containers are recycled, they are first cleaned, then ground into tiny pellets and put into a flotation tank. This separates out the various plastic resins from other waste material. Once they are separated out, the pl

发表于:2018-12-27 / 阅读(50) / 评论(0) 分类 英语时差8,16

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(107) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(64) / 评论(0) 分类 自然百科2009年

今天我们还要学几个美国总统大选中常用的习惯用语。我们曾经说过,英语词汇很多都来自体育运动。今天要学的第一个习惯用语就来自号称皇家运动的赛马: down to the wire。这里的wire指赛马跑

发表于:2019-02-04 / 阅读(111) / 评论(0) 分类 美国习惯用语

今天我们要学的词是down to the wire。 Down to the wire, 是直到最后一刻的意思。美国总统大选已经进入倒数计时,星期二一大早,全美各地的投票站就要开门了。 Presidential candidates McCain and Obama ar

发表于:2019-02-04 / 阅读(81) / 评论(0) 分类 英语每日一词

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(119) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
a hq
actomyosin molecule
afer cumingii
Agave cantala
Amursko-Zeyskaya Ravnina
anterior nares
anti-church
artistic form of architecture
Avoided cost
b&q
backbone
backstocking
bare essentials
bernicle goose
biovariety
biquinary number
blastopore
bronco-buster
brotill
budget document
carletta
chaunsel
condemned ship
contractor's
conus textile
coordinate induction
countergambits
cutter-loader bed
date/time start of administration
deep browns
delayed pulse technique
deplorations
depth gages
Deschambault Lake
diacanthous
diarial
enhydrofungin
external vertical seta
fill in a gap
finger-type gear-milling cutter
foot brake
fouling bar
full pre-stressing
glucoalliside
gray magick
hyperplastic polyp
job input data
johannes gutenbergs
katcha
lag product
Leeheim
long iron
lower surface camber
lowest monthly mean level
lumbar sympathetic ganglionectomy
lurker
Mahmudiye
maintenance force
mathe
maximum design wind speed
mercury thiocyanate reagent
met-pro
microfilament protein
needlebeds
neovenatorid
normal representation
opium poppy
partial yield spectroscopy
pascal lag
pillar box
pilot jack
plurality pattern
plushie
pot sticker
prebendry
proscolex (pl.proscolices)
ratey
resource object
retina
rotate crops
rusalki
satin zephyr
saucerise
Sefīd, Cheshmeh-ye
self-addresseds
share of investment
sob
soft interrupt signal
Sphaerostilbite
surrejoined
taking place
theory of adaptation
total wheel base
traveling-wave linac
United Kingdom
upholstery fabric
venises
water off a duck's back
weeping spruces
well-embodied
wet crushing mill
wheat rusts