demanding six-hour extravehicular activity
📖 释义
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耗时六小时的艰苦太空行走; 高强度的长时间舱外活动
💬 例句
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The crew prepared extensively for the demanding six-hour extravehicular activity to replace a faulty solar array.
船员们为更换故障太阳能阵列的六小时高强度舱外活动做了充分准备。
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Mission control monitored the demanding six-hour extravehicular activity closely to ensure the safety of the two astronauts.
任务控制中心密切监控了这次耗时六小时、高强度的舱外活动,以确保两名宇航员的安全。