1 sentence

1. 然而，碳是稳定的，碳原子彼此间不易起反应。

   rán'ér, tàn shì wěn​dìng de, tàn​yuán​zǐ bǐ​cǐ jiān bù​yì qǐ fǎn​yìng.

   However, carbon is stable and carbon atoms do not easily react with one another.

   Source: CCMatrix