ether
柯林斯词典
1. N-UNCOUNT Ether is a colourless liquid that burns easily. It is used in industry and in medicine as an anaesthetic. 乙醚
...a sweetish smell of ether and iodine. ...乙醚和碘酒散发出的微甜味。
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ether /ˈiːθə/
剑桥词典
ether noun (MEDICAL)
[ 不可数或单数名词：没有复数形式的名词 ]a clear liquid used, especially in the past, as an anaesthetic to make people sleep before a medical operation
（尤指旧时用于麻醉的）醚，乙醚
ether noun (SKY)
the ether [ 单数名词 ]the sky or the air , especially considered as being full of radio waves
苍穹，太空；无线电波 返回 ether