Iron filings will burn, iron rods will not.

铁屑会燃烧，铁棒却不会。

According to the book, the electricity would strengthen the magnetism, and you could pick up a lot more iron filings.

根据那本书上说的，电流会加强磁力，你就可以吸起更多的铁屑。

The magnetic charge imparted to the spike would be weak, the book said, but enough to pick up a few iron filings.

书上说，磁力虽弱，却足以吸起几个碎小的铁屑。

Ah! Now I know where he goes to pilfer iron filings, which he sells for old papers, that barterer of a Garoffi!

哦！我知道了，卡洛斐时常卖炉屑去换旧报纸，原来是从这里拿去的！

Maybe you've seen those looping arcs of magnetism around a bar magnet when it affects iron filings on a piece of paper.

你可能见过条形磁铁周围的弧形磁力线，它在一张纸上通过吸引铁屑展现出来。

Boys have been heard to remark that that organ was magnetised and attracted iron filings.

有人听到男孩们说那个器官被磁化并吸引了铁屑。