sentence2: Since 2012, an invasive weed known as the water hyacinth has been subsuming tens of thousands of acreage of the surface of Lake Tana, as well as adjacent wetlands and ranches surrounding the lake.
sentence1: ከ2004 ጀምሮ እንቦጭ የተባለ ተስፋፊ አረም በብዙ ሺ ሔክታር የሚቆጠር የጣናን ውኃማ አካል፣ በዙሪያው ያለውን ረግረጋማ ስፍራ፣ እንዲሁም የከብቶች ማሰማሪያ አካባቢ ወርሮታል።