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