盖世汽车讯 现在，塑料垃圾泛滥在造成难以估量的环境问题。据外媒报道，休斯顿大学（University of Houston）机械与航空航天工程助理教授Maksud ...

LONDON, July 11 (Xinhua) -- The catastrophic flash floods that struck central Texas on July 4 have become one of the deadliest natural disasters in U.S. history, claiming more than 100 lives and ...