cāng / wài / huó / dòng / xū / yào / yǔ / háng / yuán / hé / dì / miàn / kòng / zhì / zhōng / xīn / mì / qiè / pèi / hé舱外活动需要宇航员和地面控制中心密切配合。Extravehicular activity requires close coordination between astronauts and ground control.