<prompt> Translate the following text to SwahiliAt 12 km 71.2 miles in length, it is the second-largest lake after Windermere, but it does not have the commercial development of its big brother and is far less busy.  <response>: Kwa urefu wa kilomita 12, ni ziwa la pili kwa ukubwa baada ya Windermere, lakini haina maendeleo ya kibiashara ya ndugu yake mkubwa na ni chini ya shughuli nyingi. 