名詞 ether:

1. a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic
   同義詞：ethoxyethane, divinyl ether, vinyl ether, diethyl ether, ethyl ether
2. the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies
   同義詞：quintessence
3. any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom
4. a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves
   同義詞：aether

1. The merciful magic of ether was not used that day, so the poor soul had to bear their pain as best they may.
   那天，由于沒有使用能夠魔術(shù)般解除疼痛的乙醚，那些可憐的人得盡量忍受他們的痛苦。
2. A whiff of ether will put you out in a few seconds.
   一劑乙醚幾秒鐘后就會(huì)使你失去知覺。
3. Ether was used formerly to put a patient to sleep before an operation.
   從前人們在手術(shù)前用乙醚來使病人昏睡。

e.ther

n.（名詞）
Any of a class of organic compounds in which two hydrocarbon groups are linked by an oxygen atom.
醚，乙醚：一類有機(jī)化合物，它們以一個(gè)氧原子與兩個(gè)包含在烴基中的碳原子相連接為特征
A volatile, highly flammable liquid, C2H 5OC 2H 5, derived from the distillation of ethyl alcohol with sulfuric acid and widely used as a reagent, a solvent, and an anesthetic. Also called diethyl ether ,ethyl ether
乙烯：一種易揮發(fā)的，極易燃燒的液體C2H 5OC 2H 5，由乙醇與硫酸一起蒸餾獲得，廣泛用作試劑、溶劑和麻醉劑 也作 diethyl ether,ethyl ether
The regions of space beyond the earth`s atmosphere; the heavens.
太空：超出地球大氣層的空間區(qū)域；太空
The element believed in ancient and medieval civilizations to fill all space above the sphere of the moon and to compose the stars and planets.
天體要素：在古代和中古時(shí)代被認(rèn)為是充滿于月球空間并且是構(gòu)成恒星和行星的元素
Physics An all-pervading, infinitely elastic, massless medium formerly postulated as the medium of propagation of electromagnetic waves.
【物理學(xué)】 以太，能媒：一種在以前被假定為電磁波的傳播媒質(zhì)并具有絕對連續(xù)性、高度彈性的極其稀薄的媒體

來源：
Middle English [upper air]
中古英語 [上層空氣]
from Latin aethôr
源自 拉丁語 aethôr
from Greek aithôr
源自 希臘語 aithôr

【引伸】
ether.ic