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Their memory improved, and they persisted more on difficult tasks.
他们的记忆力得到改进，面对困难任务时更有持久力。
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$firstVoiceSent
- 来自原声例句
Their memory improved, and they persisted more on difficult tasks.
他们的记忆力得到改进，面对困难任务时更有持久力。
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