acid/'æsɪd/

n. a strong chemical that can burn things

a. containing acid

n. [C; U] 酸：Acids in the stomach break down the food. 胃酸分解食物。

a. 酸的；酸性的：acid rain 酸雨

◇acid soil 酸性土壤

音组-id/-ɪd/

acid; liquid; rapid; rigid; solid; stupid; valid; vivid