4 sentences

1. 他手里还剩最后两墩牌。

   tā shǒu lǐ hái shèng zuì​hòu liǎng dūn pái.

   He has the last two stacks of tiles left in his hand.

   Source: Dong Chinese Dictionary

2. 他在花园里种了几墩芍药。

   tā zài huā​yuán lǐ zhòng le jǐ dūn sháo​yào.

   He planted several clumps of peonies in the garden.

   Source: Dong Chinese Dictionary

3. 工人们正在修补大桥的桥墩。

   gōng​rén men zhèng​zài xiū​bǔ dà​qiáo de qiáo dūn.

   Workers are repairing the bridge piers.

   Source: Dong Chinese Dictionary

4. 城墙外矗立着几座古代的墩台。

   chéng​qiáng wài chù​lì zhe jǐ zuò gǔ​dài de dūn tái.

   Several ancient beacon towers stand outside the city walls.

   Source: Dong Chinese Dictionary