His missing tooth had been regrown.

他磕掉的那颗牙已经长回来了.

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If you stop using it your regrown hair will start to fall out after 2 - 4 months.

如果停止使用它,新生的头发将在 2-4 个月后脱光.

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Rat organs can be stripped of their cells and regrown to pump blood.

老鼠的器官可以从自己的细胞中剥离、重新生长并输送血液.

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