2 sentences

1. 沪宁铁路连接上海与南京。

   Hù Níng tiě​lù lián​jiē Shàng​hǎi yǔ Nán​jīng.

   The Hu-Ning Railway connects Shanghai and Nanjing.

   Source: Dong Chinese Dictionary

2. 沪宁高速连接了上海和南京两座大城市。

   Hù Níng gāo​sù lián​jiē le Shàng​hǎi hé Nán​jīng liǎng zuò dà chéng​shì.

   The Shanghai-Nanjing Expressway connects the two major cities of Shanghai and Nanjing.

   Source: Dong Chinese Dictionary