He looked up and found an iron hook dangling about his head.
他抬头一看，见是一个铁钩子正在他脑袋上方晃来晃去。
The iron hook (2) has two heads and can make two ditches at one time.
铁钩（2）是双头的，一次能开出两条沟。
The blacksmith forged a bar of iron into a hook.
铁匠把一根铁条锻造成一个钩子。
The blacksmith forged a bar of iron into a hook.
铁匠把一根铁条锻造成一个钩子。
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