saviour siblingˈsaviour ˌsibling noun [countable] 
a child that is born so that cells from its body can be used to treat a sick brother or sister
a child that is born so that cells from its body can be used to treat a sick brother or sister
| 单词 | saviour sibling |
| 释义 | saviour siblingˈsaviour ˌsibling noun [countable] a child that is born so that cells from its body can be used to treat a sick brother or sister |
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