arduous
柯林斯词典
1. ADJ Something that is arduous is difficult and tiring, and involves a lot of effort. 艰难的
...a long, hot and arduous trip. …一段漫长、灼热、艰难的旅程。
返回 arduous
1. ADJ Something that is arduous is difficult and tiring, and involves a lot of effort. 艰难的
...a long, hot and arduous trip. …一段漫长、灼热、艰难的旅程。