The average life span of a major league baseball is 5 - 7 pitches.

大联盟用的棒球平均寿命只能被投五到七次?

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High luminous efficacy, average life - span 8000 hrs.

高光效,长寿命, 平均寿命长达8000小时.

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Since the 1950 s our average life span has been stretching by about 2 years every decade.

但其实人类正对抗健康的大敌人,例如:心脏病.

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With good and loving care, the average life - span for the Borzoi is 10 to 12 years.

在精心的养护下, 猎狼的平均寿命是10-12年.

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The average life span for the nominee group was just over 76 years.

提名者小组的平均寿命略高于76岁.

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The average life span of people has increased considerably since the 19 th century.

人类的平均寿命自十九世纪以来已经大幅度地增加了.

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In 4000 before the Bronze period, the average life span is only 18 years old.

在4000年前的青铜器时期, 人的平均寿命只有18岁.

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