arduous
词形变化:
副词: arduously | 名词: arduousness |
词义辨析:
同义:
a.费力的; 艰辛的
laborious
strenuous
difficult
hard
同义参见:
formidable
tiresome
exacting
painful
arduous
词形变化:
副词: arduously | 名词: arduousness |
词义辨析:
同义:
a.费力的; 艰辛的
laborious
strenuous
difficult
hard
同义参见:
formidable
tiresome
exacting
painful