2 sentences

1. 两座高山耸立，其间有一条清澈的小溪。

   liǎng zuò gāo​shān sǒng​lì, qí​jiān yǒu yī tiáo qīng​chè de xiǎo​xī.

   Two high mountains tower above, with a clear stream flowing between them.

   Source: Dong Chinese Dictionary

2. 他去北京出差了一个月，其间我们一直保持联系。

   tā qù Běi​jīng chū​chāi le yī gè yuè, qí​jiān wǒ​men yī​zhí bǎo​chí lián​xì.

   He went to Beijing on a business trip for a month, during which time we stayed in touch.

   Source: Dong Chinese Dictionary