美国自然历史博物馆的化石准备实验室在类似的实验室中是世界上最大的。

The museum's fossil-preparation lab is one of the largest in the world.

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三米厚的水泥墙把他的实验室和外界隔绝开来，这原来是准备用来隔绝核辐射的。

Three meters worth of concrete walls stand between his lab and the outside.

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回到实验室和助手一起做准备工作。

Back to the lab and assistant to prepare for work together.

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进行这样的检验，必须准备好实验室设备。

Laboratory facilities must be available to perform such tests.

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用实验室为西红柿幼苗准备一些养分。

Use the lab and prepare some plant food for young tomatoes.

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用实验室为西红柿幼苗准备一些养分。

Use the lab and prepare some plant food for young tomatoes.

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