2 sentences for 席位 (xí​wèi — seat)

1. 由于观众太多，场内的席位很快就坐满了。

   yóu​yú guān​zhòng tài duō, chǎng nèi de xí​wèi hěn kuài jiù zuò mǎn le.

   Because there were so many spectators, the seats in the venue were quickly filled.

   Source: Dong Chinese Dictionary

2. 体育场经过改建后，观众席位增加了一倍。

   tǐ​yù​chǎng jīng​guò gǎi​jiàn hòu, guān​zhòng xí​wèi zēng​jiā le yī bèi.

   After the stadium was renovated, its seating capacity doubled.

   Source: Dong Chinese Dictionary