/səbˈsteɪn/
substain（可能为sustain的拼写变体），中文含义：维持，持续
记忆技巧
Extracted Tip
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例句
With proper care, we can substain (sustain) this ancient tradition for generations to come. （通过适当的维护，我们可以将这一古老的传统延续到子孙后代。）