Another area has a collection of irons and other devices used for cleaning and pressing clothes in Chinese laundries.

VOA: special.2010.03.03

It has two irons that are involved in doing the chemistry, so it includes transition metals.

反应中有两个铁原子参与,因此她还要了解过渡金属。

麻省理工公开课 - 化学原理课程节选

Actor Jeremy Irons explains the action in the movie.

VOA: special.2011.03.23

Irons says temporary deficits are normal and even desirable during severe economic downturns, but must be corrected in the long term.

VOA: standard.2009.08.25