清洁货架并保持干燥。

Clean shelves and keep dry.

youdao

为了保护邮票，一些人也把邮票放在有机器保持空气凉爽和干燥的特殊房间里。

To protect the stamps, some people also put the stamps into a special room which has a machine to keep the air cool and dry.

youdao

例如，在丘陵地区的一个池塘，尽管没有小溪流入但在整个干燥的夏季保持稳定的水位，显然一定是以渗流为主。

For example, a pond in hilly country that maintains a steady water level all through a dry summer in spite of having no streams flowing into it must obviously be seepage dominated.

youdao

So, not at a horribly advanced age, I would like to think, he went to Lyon, which was a capital of the Resistance because they have all these things called traboules in Lyon, was one reason--they're passageways where you'd keep the silk, raw silk dry.

他当时还没到混吃等死的地步,我个人觉得,于是他去了里昂,当时是抵抗组织的一个首都,因为里昂那有那种过道,这是一个原因--就是小胡同,能让丝绸,生丝保持干燥

耶鲁公开课 - 1871年后的法国课程节选