iron boot

负重鞋

例句与用法:

The period in which man learnt to make tools of iron is called the Iron Age.

人类学会用铁制造工具的时代称为铁器时代。

词形变化:

动词过去式: ironed | 动词过去分词: ironed | 动词现在分词: ironing | 动词第三人称单数: irons |