Magnets attract nails.是什么意思？

Magnets attract nails.

磁铁吸引铁钉。

magnets

n. 磁铁，磁体( magnet的名词复数 )，有吸引力的人[物]，磁石，吸铁石；

例句
Don't put magnets near credit cards because it might demagnetize them.
不要把磁棒靠近信用卡,可能会使卡消磁.

attract

vt. 吸引，诱惑，引起…的好感（或兴趣）；vi. 具有吸引力，引人注意；

例句
To attract investors, Panama has adjusted its tax and labour laws.
为吸引投资者，巴拿马调整了税法和劳动法。

nails

n. 钉子( nail的名词复数 )，钉状物，指甲，趾甲；v. 钉住( nail的第三人称单数 )，抓住，证明…不属实，揭露；

例句
Jane was suddenly aware that she was digging her nails into her thigh.
简突然间意识到她正在用指甲抠大腿。