maintaining

[mein'teiniŋ]

adj. 维护保养的
动词maintain的现在分词

例句与用法：

The science and art of cultivating, maintaining, and developing forests.

森林学有关耕种、养护和发展森林的科学和艺术

The maintaining of one vice costs more than ten virtues.

保持一桩恶事的代价超过于十件好事。

The capturing of prey as a means of maintaining life.

捕食为生以捕获猎物作为维持生命的方式

How many military bases are they maintaining on foreign soil?

他们在外国保持多少个军事基地？