vault of heaven英 [vɔːlt ɒv ˈhevn]美 [vɔːlt əv ˈhevn]网络 天穹; 穹苍英英释义nounthe apparent surface of the imaginary sphere on which celestial bodies appear to be projectedSynonym:celestial spheresphereempyreanfirmamentheavenswelkin双语例句