大象会建立长期的友谊，多年后仍然能记住和认出它们的朋友。

Elephants establish long-term friendships, recognizing and remembering their friends years later.

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长期以来，狗一直被认为是人类最好的朋友，但多年来，它们确实证明了自身的能力。

Dogs have long been considered a human's best friend—but over the years they've really proved how skilful they can be.

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两位老朋友长期分离这次才有幸相遇。

A fortunate encounter brought the two friends together after a long separation.

《新英汉大辞典》

This is my friend, long-time colleague, music librarian extraordinaire and professional French horn player, Eva Heater, who will demonstrate here-- Come on over here right in the center.

这位是我的朋友,长期共事的同事,音乐图书管理员,了不起的专业法国圆号手,伊娃·夕瑟,她将在此演奏,过来,站到中间来

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