progressions
n. (事件的)连续( progression的名词复数 ); 一系列; <数>级数; 发展
A progression is a gradual development from one state to another.
Both drugs slow the progression of HIV, but neither cures the disease...
这两种药物都可以延缓艾滋病病情发展,但是都不能治愈这种疾病。
I think they saw it as a natural progression for me.
我想他们认为这对我来说是顺理成章的。
A progression of things is a number of things which come one after the other.
...a progression of habitats from dry meadows through marshes to open water.
从干燥的草地到沼泽地再到开阔的水面的一系列栖息地
Progressions of gene therapy studies for hemophilia B were introduced in this paper.
就血友病B的基因治疗研究进展及所存在的问题作一综述.