两只大熊猫将于年底重返华盛顿国家动物园，增加游客数量。 2 giant pandas to return to Washington D.C. National Zoo by year-end, boosting visitor numbers.

华盛顿特区国家动物园预计将于今年年底迎接两只暂时离开的大熊猫的回归。 The National Zoo in Washington D.C. is set to welcome back two giant pandas by the end of the year, following their temporary departure. 大约在动物园与之前的大熊猫告别六个月后，动物园宣布了这一消息，引起了人们对新来的大熊猫的兴趣和期待。 This announcement comes approximately six months after the zoo said goodbye to its previous pandas, causing a surge in interest and anticipation for the new arrivals. 这些受人喜爱的黑白动物的回归预计将引起人们的兴奋并增加动物园的游客数量。 The return of these beloved black-and-white creatures is expected to generate excitement and boost visitor numbers at the zoo.