solid/'sɒlɪd $ 'sɑː-/

a. hard and firm; not in the form of liquid or gas

n. an object or substance that has a firm shape

a. 坚硬的；固体的：a solid object 坚硬的物体

◇Ice is water in a solid state. 冰是水的固体形态。

n. [C] 固体：Wood, stone and ice are solids. 木头、石头和冰都是固体。

辨析firm; hard; solid