Knowledge of the land was the one memory that refused to dissolve.

对这片土地的了解是一种无法消除的记忆。

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Students who can test themselves earlier will be better at retrieving the knowledge from the memory and keep it in the long run.

能够较早进行自我测试的学生更善于从记忆中检索知识，并将其长期保存。

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"I don't believe that they had a three-second memory because animals need their memory, so they build up over time knowledge of where the food is," said Roy Stokes, a student at the Australian Science and Mathematics School.

澳大利亚科学与数学学校的学生罗伊·斯托克斯说：“我不认为它们有三秒钟的记忆，因为动物需要记忆，这样它们就会随着时间的推移逐渐了解食物在哪里。”

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Armed with your new knowledge about memory, you'll find some of the computer ads you see a bit less beguiling.

WSJ: Here's How to Survive Shopping for a PC

For those with a short memory or an eclectic knowledge of recent history it would have been instructive to mention at least once that the 1967 war was initiated by Israel's Arab neighbours with the explicit intent to annex all of Israel and drive its Jewish inhabitants into the sea.

ECONOMIST: On Jerusalem, women and the economy, Brazil, Latin, Donald Rumsfeld, fake goods, oil | The

Recent animal studies have shown that stimulating the entorhinal cortex improved the growth of brain cells in adult mice and appeared to enhance memory for locations and spatial knowledge.

WSJ: Memory Gets Jolt in Brain Research