浏览器

liú lǎn qì browser (software)

搜索

sōu suǒ to search (a place); to search (a database etc)

痕迹

hén jì vestige; mark; trace

怎么

zěn me how?; what?; why?

zěn me variant of 怎麼|怎么[zen3 me5]

删除

shān chú to delete; to cancel

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