the truck had spikes welded to the back.
卡车后部焊有尖钉。
称单数）the truck had spikes welded to the back.
卡车后部焊有尖钉。
There is a row of spikes on top of the prison wall to prevent the prisoners escaping.
监狱墙头装有一排尖钉, 
。
There are spikes on the bottom of shoes used for running.
鞋底部有钉子。
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工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
