irreversible [i &riv4:Rsqbl ]    (¼øÀ§: 12495 - ´ëÁ¹ ¼öÁØ)  
¶æ Çü) °Å²Ù·Î ÇÒ ¼ö ¾ø´Â; ¿ªÀüÇÒ ¼ö ¾ø´Â
Mean Impossible to reverse.
ÆÄ»ý¾î irreversibility  [¸í] Ãë¼ÒÇÒ ¼ö ¾øÀ½
irreversibly  [ºÎ]
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