heavy、oppressive、taxing、burdensome 1. burdensome：形容词“繁重的；累赘的”（侧重因沉重或麻烦而使人难以承受，搭配“burdensome task 繁重的任务；burdensome responsibility 沉重的责任”，如“Taking care of three kids is burdensome. 照顾三个孩子很繁重。”）； 2. burdensome vs. heavy：heavy形容词“重的；繁重的”（通用词，可指物理重量或工作量，如“heavy luggage 沉重的行李；heavy work 繁重的工作”），burdensome更侧重“心理或精神上的负担感”； 3. burdensome vs. oppressive：oppressive形容词“压迫的；沉重的”（侧重因压迫或压抑而使人难受，如“oppressive heat 闷热；oppressive rules 苛刻的规定”），比burdensome语气更强，含“压迫”含义； 4. burdensome vs. taxing：taxing形容词“费力的；繁重的”（侧重消耗大量精力，如“taxing job 费力的工作”），与burdensome近义，可换用，taxing更强调“精力消耗”。
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高考
1、 Since the dawn of human ingenuity,people have devised ever more cunning tools to cope with work that is dangerous,boring,burdensome,or just plain nasty.
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