toilsome基本解释
adj.费力的;辛苦的;劳苦的
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副词: toilsomely 名词: toilsomeness
adj.费力的;辛苦的;劳苦的
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副词: toilsomely 名词: toilsomeness
"worked their arduous way up the mining valley"
"a grueling campaign"
"hard labor"
"heavy work"
"heavy going"
"spent many laborious hours on the project"
"set a punishing pace"