preserving

adj. 保存的, 保留的
动词preserve的现在分词形式

例句与用法：

A remnant or trace of an organism of a past geologic age, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust.

化石埋置并保存于地层中的古生物遗体、遗物和其生活遗址，如骨骸、叶子的印痕等

A card or sheet of microfilm capable of accommodating and preserving a considerable number of pages, as of printed text, in reduced form.

缩微平片一个缩微胶卷片，能够以缩微形式容纳并储存相当多数量的页数，如一印刷文本的

Tending to preserve or capable of preserving.

有保护能力的倾向于保护或保存的，有保护或保存能力的