中國(guó)志愿者加入火星-500試驗(yàn)計(jì)劃：the volunteers will have eight hours of ____,eight hours of work
and eight hours of free time
the volunteers will have eight hours of ____,eight hours of work and eight hours of free time,空應(yīng)該填什么，差不多像宇航員的工作：一天二十四個(gè)小時(shí)，八個(gè)小時(shí)用來(lái)工作，八個(gè)小時(shí)用來(lái)睡覺(jué)，還有八個(gè)小時(shí)干什么？