名词
中文翻译：铁
同义词：
['steel', 'hardness']
例句：
-
1. The iron is very heavy and difficult to move.
这铁很重，很难移动。
-
2. He used to work as an ironworker in his hometown.
他以前在家乡做过铁匠。
-
3. Iron can be used to make many different things, such as tools and buildings.
铁可以用来制造很多东西，比如工具和建筑物。