名詞 acid:

1. any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
2. street name for lysergic acid diethylamide
   同義詞：back breaker, battery-acid, dose, dot, Elvis, loony toons, Lucy in the sky with diamonds, pane, superman, window pane, Zen

形容詞 acid:

1. harsh or corrosive in tone
   同義詞：acerb, acerbic, acrid, bitter, blistering, caustic, sulfurous, sulphurous, venomous, virulent, vitriolic
2. being sour to the taste
   同義詞：acidic, acidulent, acidulous
3. having the characteristics of an acid

1. I am doing an experiment of neutralizing acid.
   我在做一個中和酸的實驗。
2. Acids react with bases to form salts.
   酸與堿反應生成鹽。
3. The acid burnt a hole in the carpet.
   酸把地毯燒了個洞。