英国于1971年开始使用十进制的1便士和2便士硬币。In 1971, the 1p and 2p decimal coins were introduced in Britain.布赖恩把手插进口袋里，把几枚硬币拨弄得叮当作响。Brian put his hands in his pockets and jingled some change.我向付费电话的投币孔里投了一枚25分硬币。I dropped a quarter into t...
The company had overreached itself and made unwise investments...这家公司不自量力地轻率投资。Suffering households and companies are more likely to repatriate overseas investments.遭遇困难的家庭和企业更有可能撤回海外投资....investments that offer respecta...
Sometimes extender circuits are used to increase the fan - in capability of digital circuits.有时,使用扩展器电路来提高电路的扇入能力.The structure of the chain extender was defined and verified each other.确定了该扩链剂的结构,各方法相互验证.Polyurethane el...