出典:Wiktionary
出典:『Wiktionary』 (2014/09/02 18:50 UTC 版)
Named after Leonard Hayflick, who discovered it in 1961.
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a limit
a limit
a limit
the upper limit
stretch to the limits
限られたさま
to set limits to―set bounds to―anything
with restraint
a crowbar
a hawk
to place anything under restriction―impose a restriction upon anything