桌子上有一个空瓶子，你帮我扔掉吧。

Zhuōzi shàng yǒu yī gè kōng píngzi, nǐ bāng wǒ rēngdiào ba.

There's an empty bottle on the table; could you throw it away for me?

这个玻璃瓶子可以用来装果汁。

Zhège bōlí píngzi kěyǐ yòng lái zhuāng guǒzhī.

This glass bottle can be used to hold juice.

她把花插在一个漂亮的小瓶子里。

Tā bǎ huā chā zài yī gè piàoliang de xiǎo píngzi lǐ.

She put the flowers in a pretty little vase.