about，approximately，roughly
教育科学

        以上各词均为副词,词义均为“大约”,指某个数量大约为多少。1.approximately意为“大约;大概”,用于表示非常接近某一精确数值或标准数值。‖We heat the liquid to approximately its boiling point 100℃,precise to a thousandth of a degree.我们把该液体加......（本文共 449 字）     [阅读本文] >>