On June 3, 1964, Edward White became the first American astronaut to perform a spacewalk, otherwise known as an extra-vehicular activity (EVA), going outside this Gemini iv capsule for 20 minutes.
6月3日，1964年，爱德华·怀特成为第一位美国宇航员执行太空行走，否则作为舱外活动(EVA的已知)，外面双子座四胶囊去20分钟。
Molded EVA footbed contours your foot while providing extra cushioning.
模压EVA鞋底的轮廓你的脚，同时提供额外的缓冲。
That will make China the third country to conduct extra-vehicular activity (EVA) in space. The other two to have achieved that are the former Soviet Union and the US.
这使得中国成为世界上第三个执行太空舱外活动的国家。其它两个国家分别是前苏联和美国。
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