ether是什么意思

2023-12-31 09:57:16

ether

美[iːθər] 英[iːθə(r)]

n. 【U】乙醚；醚；以太；太空

形容词：etheric

近义词：air，atmosphere，heavens，sky，aether，quintessence，ethylether，diethylether，vinylether，divinylether，ethoxyethane，

n.(名词)

Noun

the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies
any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom
a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves
a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic

用作名词(n.)

A whiff of ether will put you out in a few seconds.一剂乙醚几秒钟后就会使你失去知觉。
Ether was used formerly to put a patient to sleep before an operation.从前人们在手术前用乙醚来使病人昏睡。
Williamson reaction is one important method to prepare unsymmetric ether.Williamson反应是制备不对称醚类化合物的重要方法。
Todays news went into the ether and was soon forgotten.今天的新闻广播听後不久即置於脑後了。
It was once believed that light wave traveled through the ether.人们曾经相信光波在以太中穿过。
Her words disappeared into the ether.她的话消失在九霄云外。