laborious
- adj. 勤劳的；艰苦的；费劲的
考试真题
- Instead, they perform routine and laborious tasks, freeing nurses up to attend to patients with immediate needs.
2018年12月六级真题（第二套）阅读 Section C
- Photography was once an expensive, laborious ordeal reserved for life's greatest milestones.
2018年6月六级真题(第二套)阅读 Section C