好词典

ether

UK //ˈiːθə(r)//US //ˈiːθər//

词源

源自希腊语aithēr(上层空气),通过拉丁语aether进入英语。

noun

❶ 以太,一种无色、易挥发的液体,曾用作麻醉剂。现在主要用于化学溶剂或工业用途。

“Ether was once widely used as an anesthetic in surgery.”

(以太曾广泛用作外科手术中的麻醉剂。)

“The chemist stored the ether in a tightly sealed container.”

(化学家将以太储存在密封的容器中。)

❶ 以太,物理学中假想的传播电磁波的介质,后被爱因斯坦相对论否定。

“Scientists once believed light traveled through the ether.”

(科学家曾认为光通过以太传播。)

“The concept of ether was disproven by Einstein's theory.”

(以太的概念被爱因斯坦的理论所否定。)

同义词:aether, diethyl ether

常见短语

in the ether — 指事物处于不确定或抽象存在的状态,常用于比喻思想、信息等无形事物的传播。

“The idea has been floating in the ether for years before someone implemented it.”

(这个想法在被人实现前已经在空气中飘荡多年。)