n.<化>醚,the ether 苍穹,苍天,太空
He lost consciousness at the first whiff of ether.
他一嗅到乙醚便失去了知觉.
They imagined the existence of a physical medium - the ether - filling all of space.
他们想象存在一种充满整个空间的物理介质 -- 以太.
Her words disappeared into the ether.
她的话消失在九霄云外。