acid

n. [化]酸, <俚>迷幻藥
adj. 酸的, 諷刺的, 刻薄的

The acid test of a good driver

is whether he remains calm in an emergency.

衡量駕駛員水平的決定性考驗,

就是看他在緊急關頭能否保持鎮靜。

【詞根No.1】
acid, acri, acrid = sour, sharp, 表示“尖，酸，銳利”

【牛津搭配】
noun 化合物
• adj
concentrated, strong | dilute, weak | +acid
濃縮的酸；強酸 ｜ 稀釋的酸；弱酸
hydrochloric, nitric, sulphuric, etc. + acid
鹽酸；硝酸；硫酸等
• verb + acid
produce | neutralize +acid
制酸｜中和酸
eg: You will need a special chemical to neutralize the acid.
你需要一種特定的化學物質來中和這種酸。

illegal drug 毒品
• drop acid 服迷幻藥

【例句及詞組】
1. adj 酸的
Lemons taste acid. 檸檬味道是酸的。

2. adj 刻薄的
She has an acid tongue. 她嘴很刻薄。

3. acid rain 酸雨

4. acid rock 迷幻搖滾樂

【親戚詞】
acidly adv. 不悅地, 心地不良地
acidness n. 不悅的樣子

【習語】
the acid test (of sth) 決定性的考驗
eg: They've always been good friends, but the acid test will come when they have to share a flat.
他們一直是好朋友，可是到兩個人必須合住一套公寓時，真正的考驗就到了。

【今日小游戲】
1. 把下邊的詞綴加到詞根上，看它組成了什么新詞，把答案寫到回復里，并寫出中文意思：
acid + ify…化→酸化
acid + ity性質→酸性
acid + ulous有…的→有酸味的
acrid
2. 追加甜點，請找從本帖中找出兩個詞或詞組的英文：
“決定性的考驗”、“服迷幻藥”

【近義詞與反義詞】
1. a very juicy fruit with a slightly acid flavour
acidic,
sour, tart, bitter, unsweetened, sharp, biting, acrid, pungent, acerbic, vinegary, vinegarish, acetic, acetous; rare acidulous, acidulated
-opposite(s)反義詞: SWEET.

2. She was prone to making acid remarks.
acerbic,
sarcastic, sharp, sardonic, satirical, scathing, cutting, razor-edged; incisive, penetrating, piercing, biting, stinging, searing; keen, caustic, trenchant, mordant, bitter, acrimonious, astringent; harsh, severe, abrasive, wounding, hurtful, unkind, cruel, vitriolic, virulent, venomous, poisonous, waspish, spiteful, vicious, malicious; N. Amer. acerb; informal bitchy, catty; Brit. informal sarky; N. Amer. informal snarky; rare mordacious, acidulous
-opposite(s)反義詞: KIND, PLEASANT, COMPLIMENTARY.

3. acid 和 sour 的區別（轉）
通常，acid是化學上的那個酸堿的酸
sour是味道的酸 eg.this soup tastes sour.