ether

IPA/ˈiːθə(r)/
KK[ˈiθɚ]IPA/ˈiːθər/

ether — 名詞

1. A clear liquid with a strong smell that burns very easily, used by doctors in th

1.名詞B2
釋義

乙醚

過去用作麻醉劑的液體

A clear liquid with a strong smell that burns very easily, used by doctors in the past to make patients fall asleep and feel no pain during an operation.

例句

Dr. Marco placed a cloth soaked in ether over the patient's nose before starting the surgery.

Marco 醫生在開始手術前,將一塊浸過乙醚的布蓋在病人的鼻子上。

soaked in ether — method of administration

In the 1840s, ether let surgeons like Dr. Diego operate on patients who felt no pain at all.

在 1840 年代,乙醚讓 Diego 醫師這樣的醫生能在病人完全沉睡且毫無痛感的情況下進行手術。

同義詞
  • anaesthetic

    broader term for any substance that causes loss of feeling; ether is one specific type of anaesthetic

文法句型

ether + verb (as subject)

ether as object of preposition (under ether)

用法筆記

Now replaced by safer modern anaesthetics; you will mainly encounter this sense in historical descriptions of early surgery.

2. An invisible space through which radio waves, television signals, and other elec

2.名詞B2
釋義

電波;天空

無線電波傳送的介質

An invisible space through which radio waves, television signals, and other electronic messages travel from one place to another — often used in the phrase 'through the ether' to describe broadcasting.

例句

Radio waves carrying news and music travel through the ether to reach cars and homes across the country.

承載著新聞和音樂的無線電波穿過天空,傳送到全國各地的汽車和家庭中。

through the ether — route of broadcast transmission

Hannah imagined her own voice floating through the ether all the way to her grandmother's kitchen radio.

Hannah 想像著自己的聲音飄過空中,一路傳到祖母廚房裡的收音機。

同義詞
  • airwaves

    more common, everyday term for broadcast transmission space; 'ether' sounds more formal or literary

  • sky

    refers to the physical sky rather than transmission medium; overlaps only in figurative use

文法句型

through the ether

across the ether

over the ether

用法筆記

This sense is slightly old-fashioned or poetic. In everyday English, 'the airwaves' or 'the air' is more common (e.g. 'the show is on the air').

3. A type of chemical compound in which two carbon-based molecular groups are conne

3.名詞C1
釋義

氧原子連接兩個碳基的有機化合物

A type of chemical compound in which two carbon-based molecular groups are connected by a single oxygen atom; ethers are widely used as solvents and as ingredients in the production of other chemicals.

例句

In the lab, Meera identified an ether by looking for an oxygen atom between two carbon chains.

在實驗室裡,Meera 藉由尋找兩個碳鏈之間的氧原子來識別一種醚。

identify an ether by oxygen between carbon chains

Diethyl ether, a common solvent, belongs to the class of organic compounds known as ethers.

乙醚是一種常見的溶劑,屬於被稱為醚類的有機化合物。

文法句型

ether as a general class (uncountable)

an ether (countable compound)

用法筆記

Uncountable when talking about the class as a whole ('ether is a functional group'); countable when referring to individual compounds ('several ethers were tested').