determine
vt.确定;决定;使下决心 vi.下决心
Investigators are still trying to determine the cause of the fire.调查人员仍在设法找出失火的原因。
develop
vt.发展;制订;产生 vi.生长;发展
Knowledge in the field of genetics has been developing very rapidly.遗传学知识一直在迅速发展。
device
n.装置，设备，器械;手段，策略
modern labour-saving devices省力的现代设备
devise
vt.发明，策划，想出
She devised a method for quicker communications between offices.她发明出一种加快办公室之间通讯联络的方法。
enroll
vi.(in，on)入学，加入 vt.招收，吸收
facilities to ensure the safety of cyclists确保骑车人安全的设施
