painstaking [i p3inzt#iki?, p3ins` | p3inz` ]    (¼øÀ§: 9299 - ´ëÇÐ ¼öÁØ)  
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Mean Marked by or requiring great pains; very careful and diligent.
ÆÄ»ý¾î painstakingly  [ºÎ]
¿¹¹® 1. painstaking research (Èûµç ¿¬±¸)
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