单词：superplasticisers
单词：superplasticisers 相关文章
He asked for a price check. The shirt was $4, not $2. He told the cashier he didn't want it. The jacket was only $2, not $4. He couldn't believe it. He held up the jacket. He looked at it carefully. No stains, no rips, no holes. Only $2? What a deal!
原版英语小短文
BBC Learning English Weekender Recycling supermarket packaging Yvonne:Hello, youre listening to Weekender from bbclearningenglish.com! Can you guess what were talking about in todays programme? Ben Bradshaw, Environment Minister There was no instruc
Weekender
By Ted Landphair Washington 09 August 2007 Every day, American consumers are offered a simple choice when they areby a store's cashier: paper or plastic? But as VOA's Ted Landphair explains in today's searching for solutions report, some communities
2007年VOA标准英语（八月）
Basic Steps Help Protect Personal Information From Hacking U.S. government officials say the surveillance covered only metadata - the patterns of the phone calls and internet messages - not the substance of the communications. According to reports, a
VOA标准英语2013年(六月)
A: Excuse me, sir, this is the express check-out lane for people that have fifteen items or fewer. It looks like you have more than fifteen items there. B: Oh, come on! I have sixteen items! Cut me some slack, will ya? A: Fine! Please place your item
纯正地道美语
Its amazing to think there wasnt any plastic one hundred years ago. Now its everywhere. Almost everything thats made has some plastic in it. Whoever invented it must be really rich. There are all kinds of plastic. Its pretty useful stuff. I once went
纯正英语一分钟