载人太空飞行侦察 manned spaceflight: 载人航天飞行first manned spaceflight: 首次载人航天飞行manned reconnaissance: 有人驾驶飞行器侦察multi-manned and multi-day spaceflight: 多人多天太空飞行manned reconnaissance platform: 载人侦察平台下载手机词典可随时随地查词查翻译