吃透英语课本,提升在校竞争力
n. 进步;进展
复数:progressions
Both drugs slow the progression of HIV, but neither cures the disease.
两种药都能减缓艾滋病病毒的发展,但都不能治愈艾滋病。
Her career progression is impressive.
她的职业发展令人印象深刻。
geometric progression
几何级数;等比级数
arithmetic progression
等差级数,等差数列;算术级数,算术数列
n.前进;连续
series
advancement
succession
ongoing