详细解释:vt. 每十人杀一人, 大批杀害
词型变化：
名词:decimation动词过去式:decimated过去分词:decimated现在分词:decimating第三人称单数:decimates英语解释：
动词 decimate:
kill one in every ten, as of mutineers in Roman armieskill in large numbers同义词：eliminate, annihilate, extinguish, eradicate, wipe out, carry off