固体

zhè zhǒng gù tǐ wú fǎ róng jiě zài shuǐ zhōng.

This solid cannot dissolve in water.

This sentence is describing the property of a certain type of solid where it is not soluble in water.

gù tǐ xiàng jiāo kě yǐ chóng fù lì yòng.

Solid rubber can be recycled.

The sentence talks about how solid rubber is a recyclable material.

gù tǐ rán liào shì yī zhǒng yǒu xiào de néng yuán.

Solid fuel is an effective source of energy.

This sentence speaks about solid fuel as a viable and effective source of energy.

tā zhèng zài xué xí gù tǐ wù lǐ xué.

He is studying solid state physics.

Here, the person is learning about the field of solid state physics.

zhè zhǒng gù tǐ jiǔ jīng kě yǐ zuò wéi xiāo dú jì.

This solid alcohol can be used as a disinfectant.

The sentence is about the application of solid alcohol, which can serve as a disinfectant.

gù tǐ wù zhì zài jiā rè zhī hòu róng huà.

Solid substances melt after heating.

The sentence describes a general physical property of solids, i.e., they melt when heated.

gù tǐ fèi wù xū yào tuǒ shàn chǔ lǐ.

Solid waste needs to be properly disposed of.

The sentence refers to the proper handling and disposal of solid waste.

tiě shì wǒ men cháng jiàn de gù tǐ jīn shǔ.

Iron is a common solid metal we see.

This sentence provides an example of a common solid, specifically a metal, which is iron.

yán jiū gù tǐ de xìng zhì shì wù lǐ xué de yī bù fèn.

Studying the properties of solids is a part of physics.

Here, the sentence talks about studying the properties of solids, which is a part of the field of physics.

gù tǐ shí wù duì yīng ér lái shuō shì xīn de cháng shì.

Solid food is a new attempt for babies.

The sentence discusses introducing solid food to babies as a new experience or attempt.