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Our immune system is meant to protect the body from invading parasites , bacteria and other foreign substances .

我们的免疫系统是要保护身体免受寄生虫、细菌和其它外来物质的侵犯。

Researchers hope a new system could automatically scan the hours of cctv footage police have to comb through to identify suspects without invading privacy .

研究人员期待一个新系统，他不侵犯个人隐私，自动扫描数小时的原先必须需要警察搜寻的闭路电视录像直到找出嫌疑犯。

About 100 people marched through the capital 's streets , some carrying signs accusing china of invading its territorial waters , the ap reported .

据美联社报导，约有100人在河内街头游行，一些人高举标语，指责中国侵犯越南领海。

Humans can draw on a vast unconscious vocabulary of movements-we know how to politely move around someone in our path , how to sense when we 're invading someone 's personal space .

人类能运用大量无意识的运动范畴我们知道如何友好地让路给别人，如何察觉自己侵犯了别人的私人空间。

At a time when video surveillance cameras have become a common presence on chinese highways and street corners , in residential compounds and public-transport vehicles , some believe that devices meant to deter crime are instead invading privacy .

同时当视频监控摄像头在中国的高速公路和街道拐角、住宅区和公共交通工具上已经变得普通时，一些人认为监控设备意在震慑犯罪而非侵犯隐私。