Cortes introduced chocolate to Europe.议会把巧克力带到了欧洲.But it was the Spanish explorer Cortes who understood that chocolate could be a valuable investment.但是,只有西班牙探险家HernandoCortes懂得巧克力可能是值得投资的.In 1518 Cortes asked the Spanis...
我们从井里抽水以供日用.We pump water from the well for daily use.他正用抽水机抽水.He was pumping away.他们设计了一套从地下70米处抽水的系统。They have designed a system which pumps up water from 70m below ground....