Where did you place mom's steel needle?

你把妈妈的钢针放哪儿了？

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Each dart consisted of a hollow steel needle with a paper tail.

每个飞镖由一个带着纸尾巴的空心铁针组成。

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As long as essence is negative, even a steel needle can do harm to the society.

只要本质是负的，一支钢针也可以危害社会。

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In 1745, an English physicist named Gowin Knight developed a compass with a steel needle, which retained its magnetism longer.

FORBES: Magazine Article

Sorenson went on to excel as an inventor, developing such medical necessities as the disposable surgical mask and a thin-walled steel needle.

FORBES: Billionaire Sorenson Gave It All Away