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
随便看	olfactory oligarch oligarchic oligarchy oligopoly O Little Town of Bethlehem olive olive oil Oliver, Jamie Oliver Twist Olives, the Mount of Olivier, Laurence ollie -ological -ologically -ologist -ology Olsen twins Olympia Olympiad Olympian Olympic Olympic Games OM Omagh

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