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Object permanence is the understanding that things exist when you no longer see them.
客体永存性是指,知道某人或某物虽然现在看不见,但仍然是存在的
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$firstVoiceSent
- 来自原声例句
Object permanence is the understanding that things exist when you no longer see them.
客体永存性是指,知道某人或某物虽然现在看不见,但仍然是存在的
应用推荐