formerly also etherial, 1510s, "of the highest regions of the atmosphere," from ether + -ial; extended sense of "light, airy" is from 1590s. Figurative meaning "spirit-like, immaterial" is from 1640s. Related: Ethereally.
雙語例句
1. The music has an ethereal quality.
這段樂曲給人一種飄渺的感覺.
來自《簡明英漢詞典》
2. Ethereal is an open source network sniffer and protocol analyzer based on libpcap library.