“天幕”怎么读？

“天幕”的英语可以翻译为：the canopy of the heavens，backdrop，tent，velarium ...

一轮冬日已经低垂天幕.The wintry sun was already low in the sky.他们躺在繁星点点的天幕下.They lay down under a canopy of stars.乡村风光在微微开朗的天幕中暗淡地展露出来.The country expanded darkly defined underneath the moving curtain....