acid

一、真题好句
acid 选择性必修1000 全国卷频次:0 教材出处:译林版必修B2U3
/ˈæsɪd/
a.
酸的；讽刺的，刻薄的

高考真题原句选：
When fossil fuels are burned, gases are released into the air and then fall back to earth as acid rain.

二、习惯用语

amino acid n. [化]氨基酸
acetic acid [化]醋酸，乙酸
sulfuric acid 硫酸
fatty acid [化]脂肪酸
lactic acid 乳酸
phosphoric acid [化]磷酸
acrylic acid 丙烯酸
hydrochloric acid 盐酸
citric acid 柠檬酸
nitric acid [化]硝酸
sulphuric acid 硫酸
acid rain 酸雨
hyaluronic acid [生化]透明质酸；玻璃酸
organic acid 有机酸
nucleic acid [生化]核酸
benzoic acid [化]苯甲酸
acid solution [化]酸溶液
lactic acid bacteria 乳酸菌
acid content 酸性含量
oxalic acid [化]草酸

acid / 5Asid /
noun
1. [U, C] (chemistry 化) a chemical, usually a liquid, that contains hydrogen and has a pH of less than seven. The hydrogen can be replaced by a metal to form a salt. Acids are usually sour and can often burn holes in or damage things they touch.
酸
⇨ compare alkali
⇨ see also acetic acid , amino acid , ascorbic acid , citric acid , hydrochloric acid , lactic acid , nitric acid , nucleic acid , sulphuric acid
2. [U] (slang) = LSD
adjective
1. (technical 术语) that contains acid or has the essential characteristics of an acid; that has a pH of less than seven
酸的；酸性的:
Rye is tolerant of poor, acid soils.
黑麦耐贫瘠的酸性土壤。
⇨ compare alkaline
2. that has a bitter sharp taste
酸的；酸味的
SYN sour :
acid fruit
酸水果
⇨ note at bitter
3. (of a person’s remarks 言辞) critical and unkind
尖刻的；尖酸的
SYN sarcastic , cutting :
an acid wit
尖刻的俏皮话

acid1 /ˈæsɪd/ ●●○ W3 noun
1  [countable, uncountable] a chemical substance that has a pH of less than 7. Strong acids can burn holes in material or damage your skin 酸〔一种化学物质〕
sulphuric acid
硫酸
2. [uncountable] informal the drug LSD 迷幻药〔麦角酰二乙胺〕
Related topics: Tastes
acid2 adjective
1  having a sharp sour taste 酸的，酸味的 SYN bitter
a juicy apple with a slightly acid flavour
一个多汁、略带酸味的苹果
2  acid remark/comment/tone etc an acid remark uses humour in an unkind way to criticize someone 尖酸刻薄的话/评论/口吻等
I was expecting another of his acid remarks, but he remained silent.
我等着他再说一句刻薄的话，但他不吭声了。
3  the acid test a way of finding out whether something is as good as people say it is, whether it works, or whether it is true 决定性的考验
People ask if the team is good enough. This match will be the acid test.
人们问这支球队是不是够好，经过这场比赛的考验就可见分晓。
4  technical an acid soil does not contain much lime1(3) 〔土壤〕酸性的
Blueberry bushes need a very acid soil.
蓝莓的生长需要强酸性土壤。
—acidity /əˈsɪdəti/ noun [uncountable] Origin acid2 (1600-1700) French acide, from Latin acidus, from acere “to be sour”

acid ★★★☆☆
1.N-MASS 物质名词酸 An acid is a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts. Some acids burn or dissolve other substances that they come into contact with.
…citric acid…

柠檬酸

Acids in the stomach destroy the virus.

胃酸能杀死病毒。

2.ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词（物质）含酸的，酸性的 An acid substance contains acid.
These shrubs must have an acid, lime-free soil.

这些灌木必须生长在不含石灰的酸性土壤环境。

acidity
…the acidity of rainwater.

雨水的酸性

3.ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词（水果或饮料）酸味的，酸的 An acid fruit or drink has a sour or sharp taste.
These wines may taste rather hard and somewhat acid.

这些酒可能喝着比较冲并且有股酸味。

acidity
…a finely balanced wine with ripe acidity and soft fruit flavours.

融合了芳醇的酸味和柔和的水果口味的调味精致的酒

4.ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词尖刻的；刻薄的 An acid remark, or acid humour, is very unkind or critical.
This comedy of contemporary manners is told with compassion and acid humour.

这部当代风尚喜剧杂糅了悲悯的情怀和尖酸的幽默。

acidly
‘You don’t know how to be a mother and you never did,’ she said acidly.

“你不知道怎样做一位母亲，而且你从来就没有知道过，”她刻薄地说。

5.N-UNCOUNT 不可数名词麦角酰二乙胺 The drug LSD is sometimes referred to as acid .

【STYLE标签】：INFORMAL 非正式
6.See also:amino acid;hydrochloric acid;nitric acid;nucleic acid;sulphuric acid;

1 acid /ˈæsəd/ noun
plural acids
1
chemistry : a chemical with a sour taste that forms a salt when mixed with a base酸
[count] the acids in your stomach
胃酸
[noncount] the kinds of acid found in your stomach
在你的胃里发现的几种酸
◊ An acid has a pH of less than 7. Very strong acids are able to burn holes in things.酸的pH值小于7。强酸会在物体上烧出洞— compare 1base 6, ph
2
[noncount] slang : lsd
His friend dropped acid [=took LSD] at the concert.
他的朋友在那场演唱会上服迷幻药。
2 acid /ˈæsəd/ adjective
[more acid; most acid] 1
always used before a noun : of, relating to, or having the qualities of an acid酸的；酸性的
He washes his windows with an acid solution of vinegar and water.
他用醋和水混合的酸性溶液擦洗窗户。
an acid [=sour] taste
酸味
This kind of plant grows well in acid [=acidic] soil.
这种植物在酸性土壤中长得好。
Their pizza gives me acid indigestion. [=a burning feeling in the stomach] 他们的比萨饼让我胃酸过多，消化不良。
2
: sharp, strong, and critical in tone尖酸的；尖刻的
He made some very acid [=biting, caustic] comments.
他给出了一些非常尖刻的评论。
acid remarks
尖刻的言辞
— acidity /əˈsɪdəti/ noun [noncount] They measured the acidity of the soil.
他们测量了土壤的酸度。
the acidity [=tartness, sourness] of lemon juice
柠檬汁的酸度
— acidly adverb
She acidly refers to her former husband as “that little man.”
她刻薄地把前夫称为“那个小矮子。