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人体是一台伟大的机器,内部充满了各种化学物质,它的各个部分能够精确地合作。它可以产生很多东西,从汗液到记忆。它还有许多你不知道的秘密。
The human body is a great machine, filled with chemicals of all kinds, and its parts work together precisely. It can produce a lot of things, from sweat to memory. It still has many secrets you do not know.