Silk production is a key part in a spiders' life.

吐丝是蜘蛛一生中的关键部分。

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'it's the silk that spiders make their webs with.

是蜘蛛直往用的蜘蛛丝。

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The spiders use the silk to spin webs.

蜘蛛用丝编成环行网。

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The spiders use the silk to spin webs.

蜘蛛用丝编成环行网。

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