Then came steel strings, and that led to the lap guitar—which is also called the steel guitar because the player slides a steel rod up and down the neck.

然后出现了钢丝弦，接着膝上吉他就诞生了。膝上吉他也被称为钢吉他，因为演奏者会在琴颈上下滑动一个钢棒。

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He reclined in his wheelchair, the robot arm bolted to a steel rod nearby.

他靠在轮椅上，机械臂栓在了一根钢丝上。

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Six operations later, he still has a 30cm (12in) steel rod jutting out from his shin and cannot walk without crutches.

经历六次手术之后，还是有根30厘米(12英寸)的钢棍从他的小腿中伸了出来，离了拐杖他无法行走。

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So if your patented device uses an iron rod and a competitor develops the same device with a steel rod, you may not be protected under the ruling.

FORBES: Me-too patents

My long bones in my arms and legs felt like someone was ramming a long steel rod into them, my joints all creaked and popped in and out and ached like the worst arthritis ever. my skin was on fire and my extremities, especially my hands and feet, where it seemed to concentrate.

FORBES: Move up http://i.forbesimg.com t Move down

Then a steel or titanium rod is placed inside the hollow leg bone to reconnect it where it broke.

CNN: Kevin Ware could be playing again in less than a year