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(large) compilation
culmination (of hard work)
長年の研究を集大成した。
I brought together years of research into a crowning work.
この個展は彼の画業を集大成する場となった。
This solo show became the arena where his career in painting was consummated.
この一冊は作家が三十年の創作を結晶させた集大成だ。
This single volume is the culmination crystallized from thirty years of the author's creative work.