laborious [i lqb9:riqs ]    (¼øÀ§: 9632 - ´ëÇÐ ¼öÁØ)  
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Mean Marked by or requiring long, hard work.
ÆÄ»ý¾î labor  [¸í]
laboriously  [ºÎ]
laboriousness  [¸í]
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