noun · A metal tool heated and used to burn a mark into the skin of livestock or as a form of punishment.

牧民正准备用红热的烙铁给小牛打上印记。

noun · A household appliance or metal tool heated and used for pressing and smoothing fabric.

她用老式烙铁把洗好的衣服烫平。

noun · A tool with a heated metal tip used for melting and applying solder to join components.

我需要买一把新烙铁来修理这台收音机。