They would have to offer cast-iron guarantees to invest in long-term projects.他们需提供绝对可靠的担保，才能投资长期项目。Made from cast iron, it is finished in graphite enamel.它是用铸铁制成，最后在外面搪了一层石墨。Cast iron cannot compare with steel in streng...

cast iron的音标：cast iron的英式发音音标为：[kɑ:st 'aiən]cast iron的美式发音音标为：[kæst 'aɪən]...

铸铁，生铁...