Prairie dogs may be able to tell you about a hawk that's circling overhead right now, but they never show any inclination to describe the one they saw last week.

草原土拨鼠也许能告诉你现在有一只鹰在头顶盘旋，但从未表现出任何意愿去描述上周看到的鹰。

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Then he saw helicopters flying overhead.

接着他便看见直升机飞过头顶。

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You also saw how to add multiple records in one method call, saving the overhead of making several remote server calls in a row.

还学习了如何通过一个方法调用添加多条记录，避免了连续执行多个远程服务器调用的开销。

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Hugo Rodallega headed a chance wide and then saw his overhead kick fly over.

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Ford saw the overhead trolley that the Chicago butchers used in dressing beef and how they prepared the cuts as the carcass passed by.

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Mr Lowry, 52, of Cartland, Lanark, said he was out feeding his cattle when he saw the aircraft come overhead.

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