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predict:
if you predict an event, you say that it will happen
life span:
the period of time during which someone is alive
microchips:
small pieces of silicon inside a computer, on which electronic circuits
are printed
implanted:
to put something inside a person's body by means
of an operation
enable:
if someone enables you to do something, they make it possible for
you to do it
without using
words: note that without is followed by the -ing
form of the verb to use
global warming:
the problem of the temperature increase in the Earth's atmosphere
present rate:
the speed at which something is happening now
so (that) much
of it: "so" here is a conjunction: it introduces the result
of something we have been hearing about
marked:
drew attention to the millennium
common destiny:
the things that will happen to everybody
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