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单词 θ207519
释义
society > travel > air or space travel > space flight > [noun] > spacewalking (2)
spacewalk1963

An act or period of physical activity undertaken by an astronaut in space outside a spacecraft. Cf. EVA n. at E, n.1 initialisms.

spacewalking1965

The action or practice of undertaking activity in space outside a spacecraft. Cf. spacewalk, n.

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更新时间:2026/6/1 8:29:37