GbEng
美国的公共教育史起源于早期拓荒者的社会。 The history of public education in the United States dates from the society of the early pioneers.
开拓三十英亩土地 Developing a30-acre tract.
开拓开垦的行为或过程 The act or process of reclaiming.
他的小说开拓了想像力新天地。 His stories opened up new worlds of the imagination.
为了帮助他们开拓新的市场,你有何具体计划? Do you have any particular plan to help them to open up new market?