adj.繁重而累人的
详情解释
英英释义
"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"
经典引文
Lendl's training programme is so gruelling that few people could keep up with it.
出自：Tennis别人正在查
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