与楼上的连接使用了一个由天然铁和扩展网组成的考究的工业楼梯。

The connection with the upper floor is done with the use of a pedantic designed industrial staircase made of natural iron and expanded net.

youdao

这些矿石中的一种负载石在漫长的地球演变过程中变成了具有磁场能力的块状的大型天然铁。

One of these was loadstone which is basically a chunk of naturally occurring iron which has somehow in the course of the earth’s long history obtained a magnetic orientation.

youdao

桑葚干是目前水果及其制品中含天然铁最丰富的，每100克含铁42.5毫克，无愧于水果中“补血果”的称号。

Dry is the fruit and mulberries products contains natural iron the most abundant, every 100 grams of iron 42.5 mg, is worthy of fruit "blood" fruit of the title.

youdao