1 sentence

1. 不论它们是气体、液体还是固体，都是由原子构成的。

   bù​lùn tā​men shì qì​tǐ, yè​tǐ hái​shi gù​tǐ, dōu shì yóu yuán​zǐ gòu​chéng de.

   All substances, whether they are gas, liquid or solid, are made of atoms.

   Source: UM-Corpus: Education