Trace-evidence specialists could glean information from single strands of hair, fibers and bits of dust and pollen.

追踪专家能够从每一缕头发、纤维和遗留的灰尘和花粉中收集信息。

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There was evidence that progesterone improved the recovery of patients with moderate brain injury. Patients with severe injury seemed to glean no benefit from the hormone.

有证据表明黄体酮能够促进中度脑损伤患者的康复，对重度损伤好像没有作用。

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There was evidence that progesterone improved the recovery of patients with moderate brain injury. Patients with severe injury seemed to glean no benefit from the hormone.

有证据表明黄体酮能够促进中度脑损伤患者的康复，对重度损伤好像没有作用。

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