Even with the protective gear, the scientists often operated at the edge of safety.

即使有保护装置，科学家们仍然常常是在危险的边缘进行工作。

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Even with the protective gear, the scientists often operated at the edge of safety.

即使有保护装置，科学家们仍然常常是在危险的边缘进行工作。

youdao