staled
v.
变陈旧（stale的过去式与过去分词形式）;
例句:
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These are things which can not be staled by repetition.
这些东西不会因为重复而失去新意.
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These are words which cannot Be staled By repetition.
这些话不会因重复使用而变得陈旧.
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There were some staled toast and sausage in the cupboard.
一些不新鲜的烤面包和烤肉放在食橱里.