stvvice (35)
A glass of water for drip a drop of sewage and dirty, a cup of water is not clear because of the existence of a drop of wate一杯清水因滴入一滴污水而变污浊，一杯污水却不会因一滴清水的存在而变清澈。
Joined January 2018 Active 5 years ago
A glass of water for drip a drop of sewage and dirty, a cup of water is not clear because of the existence of a drop of wate一杯清水因滴入一滴污水而变污浊，一杯污水却不会因一滴清水的存在而变清澈。
Joined January 2018 Active 5 years ago