grandparents
['grændpeərənts]
n.
祖父母，外祖父母;
（外）祖父， （外）祖母（ grandparent的名词复数 ）;
例句:
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The grandparents sigh and say how things have changed for the worse.
爷爷奶奶叹着气说情况变得如何如何糟糕。
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His family said he was in Iran visiting grandparents.
来自VOA
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He used to spend childhood summers with his grandparents.
他小时候夏天都是和爷爷奶奶一起度过的。
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My grandparents have never had a problem accepting me.
我的祖父母从来都是无条件地接受我。
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Children need parents, who in turn need grandparents.
来自SA
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Stephen spent more and more time with his grandparents.
来自NEWYORKER