犰狳有角质鳞片的护甲.The armadillo has a protective shell of bony plates.你是不是说的同时还带着一顶犰狳头盔?Were you wearing a armadillo helmet when you told them about it?犰狳和树懒化石让他获得了灵感.He was inspired by fossils of armadillos and sloths....
克罗斯比断言说：“我们一无所获，在做无用功。”"Getting nowhere fast," pronounced Crosby, "that's what we're doing."他正在桌前用功。He was working at his desk.她上学非常用功。She shows great diligence in her schoolwork....
The coal spontaneous combustion in the goaf is one of the main coal disasters.采空区煤炭自燃火灾一直是我国煤矿的主要灾害之一....ecological disasters, such as the destruction of rainforest.雨林破坏等生态灾难The reinsurance market has been bloodied by di...
In the late 1850s the speed of technological change quickened.19世纪50年代末期，技术变革的速度加快了。He quickened his step.他加快了步伐。Ainslie's pulse quickened in alarm.由于惊恐，安斯利的脉搏加快了。...