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单词 Seal oil
释义

Seal oil

原声例句
VOA常速英语_美洲

During opening ceremonies a seal oil lamp was lit similar to the ceremonial olympic flame.

在开幕式上,一盏海豹油灯被点燃,类似于仪式上的奥运圣火。

VOA Special 2018年8月合集

There was no sign of Keesh. His mother, Ikeega, put burned seal oil on her face to show her sorrow.

基什一点音讯也没有。他的妈妈把熬出的海豹油涂在了脸上,表示她自己的悲痛。

英语百科

Omega-3 fatty acid

Fish oil capsules
Chia is grown commercially for its seeds rich in ALA.
Flax seeds produce linseed oil which has high ALA content

Omega-3 fatty acids — also called ω-3 fatty acids or n-3 fatty acids — are polyunsaturated fatty acids (PUFAs) with a double bond (C=C) at the third carbon atom from the end of the carbon chain. The fatty acids have two ends, the carboxylic acid (-COOH) end, which is considered the beginning of the chain, thus "alpha", and the methyl (CH3) end, which is considered the "tail" of the chain, thus "omega". The way in which a fatty acid is named is determined by the location of the first double bond, counted from the methyl end, that is, the omega (ω-) or the n- end.

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更新时间:2025/6/21 1:01:20