4周搞定2000+托福核心词
ous = ous(形容词) = 有优势的
adventurous = ad(临近) + vent(来，走) + ure(行为) + ous(形容词) =
艰巨的，费力的；努力的
arduous
常考释义
Most goods were transported along the paths that provide short-cuts up and down the hillsides, but the paths were a real safety risk and made the journey on foot even more arduous.
从前，大部分的货物是通过抄近道或者沿下坡山路来进行运输的，但是这样的小路非常危险，并且使得徒步出行变得异常艰辛。
来源于：剑雅7-Test2adj. 艰巨的；艰辛的；费力的；困难的
the long and arduous task of securing funding
确保资金充足这项长期而艰苦的任务
The task was more arduous than expected.
这项任务比预期的要艰苦。
adj. 陡峭的；难以克服的；难以战胜的
Arduous rutted tracks and steep inclines and descents
难行的车辙道、陡峭的上下坡
adj. 难以忍受的
an arduous 400-mile trek
一段400英里的艰苦跋涉
the arduous conditions of the desert
沙漠里令人难以忍受的艰苦条件
同义词
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