best iron

例句：

1. 1. This is the best iron we've ever used.
   这是我们用过的最好铁。
2. 2. The best iron can be used to make tools and weapons.
   最好的铁可以用来制造工具和武器。
3. 3. The best iron is often used in manufacturing processes.
   最好的铁通常用于制造过程中。