puncture的英语例句
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An instrument called a trocar makes a puncture in the abdominal wall.
一种叫做套管针的工具在腹壁上刺了一个孔。
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Somebody else lent me a pump and helped me mend the puncture.
别人借给我一个打气筒,又帮我补好了轮胎。
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The tyre is guaranteed never to puncture or go flat.
这种轮胎保证永远不会被扎破或撒气。
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