Progression to the rank of supervisor is not automatic.主管职位序列可不是自动晋升上去的。

Drugs can slow the progression of the disease.药物可以延缓病情的发展。

progression from stage 1 to stage 2从一级向二级的晋升

Progression from stage 1 to stage 2 is by way of a written examination.从一级晋升为二级需要通过书面考试。

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。

There is a progression of habitats from dry meadows through marshes to open water.栖息地是一系列的, 从干燥的草地到沼泽地, 再到开阔的水面。

a progression of exercises from the most simple to more complex assignments从最简单到最复杂的一系列习题