雅思阅读话题词汇-amass

7.amass; amass;accumulate; assemble

eg1:While Bakeland had been busily amassing dollars, some advances had been made in the development of plastics.During 1899 and 1900, it had seen the patenting of the first semi-synthetic thetmosetting material that could be manufactured on an industrual scale

eg2: Because geologists had been ecpecting the event, they were able to amass vast amounts of technical data when Mount st helens erupted.